38678720 has 28 divisors (see below), whose sum is σ = 92104464. Its totient is φ = 15471360.

The previous prime is 38678713. The next prime is 38678729. The reversal of 38678720 is 2787683.

It is not an unprimeable number, because it can be changed into a prime (38678729) 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, 60116 + ... + 60755.

Almost surely, 2^38678720 is an apocalyptic number.

It is an amenable number.

38678720 is an abundant number, since it is smaller than the sum of its proper divisors (53425744).

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

38678720 is a wasteful number, since it uses less digits than its factorization.

38678720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120888 (or 120878 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 38678720 is about 6219.2218162725. The cubic root of 38678720 is about 338.1873545519.

The spelling of 38678720 in words is "thirty-eight million, six hundred seventy-eight thousand, seven hundred twenty".