73061322412 has 48 divisors (see below), whose sum is σ = 142182577152. Its totient is φ = 32621739840.

The previous prime is 73061322377. The next prime is 73061322413. The reversal of 73061322412 is 21422316037.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (73061322413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6356823 + ... + 6368305.

It is an arithmetic number, because the mean of its divisors is an integer number (2962137024).

Almost surely, 2^73061322412 is an apocalyptic number.

It is an amenable number.

73061322412 is a deficient number, since it is larger than the sum of its proper divisors (69121254740).

73061322412 is a wasteful number, since it uses less digits than its factorization.

73061322412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15478 (or 15476 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

Adding to 73061322412 its reverse (21422316037), we get a palindrome (94483638449).

The spelling of 73061322412 in words is "seventy-three billion, sixty-one million, three hundred twenty-two thousand, four hundred twelve".