38733720 has 32 divisors (see below), whose sum is σ = 116201520. Its totient is φ = 10328960.

The previous prime is 38733713. The next prime is 38733731. The reversal of 38733720 is 2733783.

It is a happy number.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161271 + ... + 161510.

Almost surely, 2^38733720 is an apocalyptic number.

38733720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38733720 is an abundant number, since it is smaller than the sum of its proper divisors (77467800).

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

38733720 is a wasteful number, since it uses less digits than its factorization.

38733720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322795 (or 322791 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 38733720 is about 6223.6420205536. The cubic root of 38733720 is about 338.3475761164.

The spelling of 38733720 in words is "thirty-eight million, seven hundred thirty-three thousand, seven hundred twenty".