39702572 has 24 divisors (see below), whose sum is σ = 85514016. Its totient is φ = 15706368.

The previous prime is 39702569. The next prime is 39702629. The reversal of 39702572 is 27520793.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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, 54173 + ... + 54900.

It is an arithmetic number, because the mean of its divisors is an integer number (3563084).

Almost surely, 2^39702572 is an apocalyptic number.

It is an amenable number.

39702572 is an abundant number, since it is smaller than the sum of its proper divisors (45811444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39702572 is a wasteful number, since it uses less digits than its factorization.

39702572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109097 (or 109095 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 39702572 is about 6300.9976987776. The cubic root of 39702572 is about 341.1454217601.

The spelling of 39702572 in words is "thirty-nine million, seven hundred two thousand, five hundred seventy-two".