747042536 has 16 divisors (see below), whose sum is σ = 1401936900. Its totient is φ = 373192704.

The previous prime is 747042511. The next prime is 747042559. The reversal of 747042536 is 635240747.

It can be written as a sum of positive squares in 2 ways, for example, as 610386436 + 136656100 = 24706^2 + 11690^2 .

It is a super-2 number, since 2×747042536² = 1116145101186622592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 747042536.

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, 31271 + ... + 49718.

Almost surely, 2^747042536 is an apocalyptic number.

It is an amenable number.

747042536 is a deficient number, since it is larger than the sum of its proper divisors (654894364).

747042536 is a wasteful number, since it uses less digits than its factorization.

747042536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82148 (or 82144 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 38.

The square root of 747042536 is about 27332.0788817828. The cubic root of 747042536 is about 907.3644857313.

The spelling of 747042536 in words is "seven hundred forty-seven million, forty-two thousand, five hundred thirty-six".