7157500772 has 12 divisors (see below), whose sum is σ = 12530825580. Its totient is φ = 3577264896.

The previous prime is 7157500771. The next prime is 7157500783. The reversal of 7157500772 is 2770057517.

It can be written as a sum of positive squares in 2 ways, for example, as 7066756096 + 90744676 = 84064^2 + 9526^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (7157500771) 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, 360497 + ... + 379832.

It is an arithmetic number, because the mean of its divisors is an integer number (1044235465).

Almost surely, 2^7157500772 is an apocalyptic number.

It is an amenable number.

7157500772 is a deficient number, since it is larger than the sum of its proper divisors (5373324808).

7157500772 is a wasteful number, since it uses less digits than its factorization.

7157500772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742750 (or 742748 counting only the distinct ones).

The product of its (nonzero) digits is 120050, while the sum is 41.

The square root of 7157500772 is about 84602.0139949399. The cubic root of 7157500772 is about 1927.1719587332.

The spelling of 7157500772 in words is "seven billion, one hundred fifty-seven million, five hundred thousand, seven hundred seventy-two".