7257155672 has 32 divisors (see below), whose sum is σ = 14692616400. Its totient is φ = 3340600704.

The previous prime is 7257155671. The next prime is 7257155693. The reversal of 7257155672 is 2765517527.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7257155671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52643 + ... + 131474.

Almost surely, 2^7257155672 is an apocalyptic number.

It is an amenable number.

7257155672 is an abundant number, since it is smaller than the sum of its proper divisors (7435460728).

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

7257155672 is a wasteful number, since it uses less digits than its factorization.

7257155672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184515 (or 184511 counting only the distinct ones).

The product of its digits is 1029000, while the sum is 47.

The square root of 7257155672 is about 85188.9410193600. The cubic root of 7257155672 is about 1936.0748632060.

The spelling of 7257155672 in words is "seven billion, two hundred fifty-seven million, one hundred fifty-five thousand, six hundred seventy-two".