39738072 has 32 divisors (see below), whose sum is σ = 108377280. Its totient is φ = 12041760.

The previous prime is 39738067. The next prime is 39738079. The reversal of 39738072 is 27083793.

It is a super-2 number, since 2×39738072² = 3158228732554368, 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 39738072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39738079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74998 + ... + 75525.

It is an arithmetic number, because the mean of its divisors is an integer number (3386790).

Almost surely, 2^39738072 is an apocalyptic number.

It is an amenable number.

39738072 is an abundant number, since it is smaller than the sum of its proper divisors (68639208).

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

39738072 is a wasteful number, since it uses less digits than its factorization.

39738072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150543 (or 150539 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 39738072 is about 6303.8140835529. The cubic root of 39738072 is about 341.2470697061.

The spelling of 39738072 in words is "thirty-nine million, seven hundred thirty-eight thousand, seventy-two".