39974370 has 16 divisors (see below), whose sum is σ = 95938560. Its totient is φ = 10659824.

The previous prime is 39974369. The next prime is 39974399. The reversal of 39974370 is 7347993.

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, 666210 + ... + 666269.

It is an arithmetic number, because the mean of its divisors is an integer number (5996160).

Almost surely, 2^39974370 is an apocalyptic number.

39974370 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

39974370 is an abundant number, since it is smaller than the sum of its proper divisors (55964190).

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

39974370 is a wasteful number, since it uses less digits than its factorization.

39974370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332489.

The product of its (nonzero) digits is 142884, while the sum is 42.

The square root of 39974370 is about 6322.5287662454. The cubic root of 39974370 is about 341.9221292562.

The spelling of 39974370 in words is "thirty-nine million, nine hundred seventy-four thousand, three hundred seventy".