7546722012 has 18 divisors (see below), whose sum is σ = 19076436288. Its totient is φ = 2515573992.

The previous prime is 7546722011. The next prime is 7546722013. The reversal of 7546722012 is 2102276457.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7546722011) and next prime (7546722013).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 209631167 = 7546722012 / (7 + 5 + 4 + 6 + 7 + 2 + 2 + 0 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7546722011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 104815548 + ... + 104815619.

It is an arithmetic number, because the mean of its divisors is an integer number (1059802016).

Almost surely, 2^7546722012 is an apocalyptic number.

It is an amenable number.

7546722012 is an abundant number, since it is smaller than the sum of its proper divisors (11529714276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7546722012 is a wasteful number, since it uses less digits than its factorization.

7546722012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209631177 (or 209631172 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 7546722012 is about 86871.8712357458. The cubic root of 7546722012 is about 1961.4900868546.

Adding to 7546722012 its reverse (2102276457), we get a palindrome (9648998469).

It can be divided in two parts, 75467 and 22012, that added together give a palindrome (97479).

The spelling of 7546722012 in words is "seven billion, five hundred forty-six million, seven hundred twenty-two thousand, twelve".