1574640002 has 16 divisors (see below), whose sum is σ = 2544634680. Its totient is φ = 726475392.

The previous prime is 1574639993. The next prime is 1574640019. The reversal of 1574640002 is 2000464751.

It can be written as a sum of positive squares in 4 ways, for example, as 1106826361 + 467813641 = 33269^2 + 21629^2 .

It is a super-2 number, since 2×1574640002² = 4958982271797120008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66524 + ... + 87032.

Almost surely, 2^1574640002 is an apocalyptic number.

1574640002 is a deficient number, since it is larger than the sum of its proper divisors (969994678).

1574640002 is a wasteful number, since it uses less digits than its factorization.

1574640002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23477.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 1574640002 is about 39681.7338582880. The cubic root of 1574640002 is about 1163.3947331098.

The spelling of 1574640002 in words is "one billion, five hundred seventy-four million, six hundred forty thousand, two".