7150721572 has 12 divisors (see below), whose sum is σ = 12596636416. Its totient is φ = 3551682600.

The previous prime is 7150721537. The next prime is 7150721581. The reversal of 7150721572 is 2751270517.

It is a super-2 number, since 2×7150721572² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5918868 + ... + 5920075.

Almost surely, 2^7150721572 is an apocalyptic number.

It is an amenable number.

7150721572 is a deficient number, since it is larger than the sum of its proper divisors (5445914844).

7150721572 is a wasteful number, since it uses less digits than its factorization.

7150721572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11839098 (or 11839096 counting only the distinct ones).

The product of its (nonzero) digits is 34300, while the sum is 37.

The square root of 7150721572 is about 84561.9392634772. The cubic root of 7150721572 is about 1926.5633286422.

The spelling of 7150721572 in words is "seven billion, one hundred fifty million, seven hundred twenty-one thousand, five hundred seventy-two".