39297072 has 20 divisors (see below), whose sum is σ = 101517560. Its totient is φ = 13099008.

The previous prime is 39297067. The next prime is 39297077. The reversal of 39297072 is 27079293.

It is an interprime number because it is at equal distance from previous prime (39297067) and next prime (39297077).

It is a self number, because there is not a number n which added to its sum of digits gives 39297072.

It is not an unprimeable number, because it can be changed into a prime (39297077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409297 + ... + 409392.

It is an arithmetic number, because the mean of its divisors is an integer number (5075878).

Almost surely, 2^39297072 is an apocalyptic number.

It is an amenable number.

39297072 is an abundant number, since it is smaller than the sum of its proper divisors (62220488).

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

39297072 is a wasteful number, since it uses less digits than its factorization.

39297072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818700 (or 818694 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 39297072 is about 6268.7376719719. The cubic root of 39297072 is about 339.9800218942.

The spelling of 39297072 in words is "thirty-nine million, two hundred ninety-seven thousand, seventy-two".