7157500004 has 72 divisors (see below), whose sum is σ = 13547725800. Its totient is φ = 3307659264.

The previous prime is 7157499997. The next prime is 7157500033. The reversal of 7157500004 is 4000057517.

It can be written as a sum of positive squares in 12 ways, for example, as 1128288100 + 6029211904 = 33590^2 + 77648^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7157500004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20508422 + ... + 20508770.

Almost surely, 2^7157500004 is an apocalyptic number.

It is an amenable number.

7157500004 is a deficient number, since it is larger than the sum of its proper divisors (6390225796).

7157500004 is a wasteful number, since it uses less digits than its factorization.

7157500004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657 (or 638 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 7157500004 is about 84602.0094560407. The cubic root of 7157500004 is about 1927.1718898046.

The spelling of 7157500004 in words is "seven billion, one hundred fifty-seven million, five hundred thousand, four".