39742752 has 48 divisors (see below), whose sum is σ = 119230272. Its totient is φ = 11354880.

The previous prime is 39742751. The next prime is 39742763. The reversal of 39742752 is 25724793.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 39742752.

It is not an unprimeable number, because it can be changed into a prime (39742751) 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, 28899 + ... + 30242.

It is an arithmetic number, because the mean of its divisors is an integer number (2483964).

Almost surely, 2^39742752 is an apocalyptic number.

39742752 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

39742752 is an abundant number, since it is smaller than the sum of its proper divisors (79487520).

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

39742752 is a wasteful number, since it uses less digits than its factorization.

39742752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59161 (or 59153 counting only the distinct ones).

The product of its digits is 105840, while the sum is 39.

The square root of 39742752 is about 6304.1852764652. The cubic root of 39742752 is about 341.2604655380.

The spelling of 39742752 in words is "thirty-nine million, seven hundred forty-two thousand, seven hundred fifty-two".