38002720 has 48 divisors (see below), whose sum is σ = 102610368. Its totient is φ = 13029120.

The previous prime is 38002703. The next prime is 38002729. The reversal of 38002720 is 2720083.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 38002691 and 38002700.

It is not an unprimeable number, because it can be changed into a prime (38002729) 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, 15846 + ... + 18085.

It is an arithmetic number, because the mean of its divisors is an integer number (2137716).

Almost surely, 2^38002720 is an apocalyptic number.

It is an amenable number.

38002720 is an abundant number, since it is smaller than the sum of its proper divisors (64607648).

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

38002720 is a wasteful number, since it uses less digits than its factorization.

38002720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33953 (or 33945 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 38002720 is about 6164.6346201539. The cubic root of 38002720 is about 336.2055620439.

The spelling of 38002720 in words is "thirty-eight million, two thousand, seven hundred twenty".