6900072 has 16 divisors (see below), whose sum is σ = 17250240. Its totient is φ = 2300016.

The previous prime is 6900067. The next prime is 6900077. The reversal of 6900072 is 2700096.

It is an interprime number because it is at equal distance from previous prime (6900067) and next prime (6900077).

It is a super-2 number, since 2×6900072² = 95221987210368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 287503 = 6900072 / (6 + 9 + 0 + 0 + 0 + 7 + 2).

It is a plaindrome in base 13.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (6900077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143728 + ... + 143775.

It is an arithmetic number, because the mean of its divisors is an integer number (1078140).

Almost surely, 2^6900072 is an apocalyptic number.

It is an amenable number.

6900072 is an abundant number, since it is smaller than the sum of its proper divisors (10350168).

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

6900072 is a wasteful number, since it uses less digits than its factorization.

6900072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287512 (or 287508 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 6900072 is about 2626.7988122428. The cubic root of 6900072 is about 190.3784883778.

Adding to 6900072 its sum of digits (24), we get a palindrome (6900096).

The spelling of 6900072 in words is "six million, nine hundred thousand, seventy-two".