38873730 has 64 divisors (see below), whose sum is σ = 112907520. Its totient is φ = 8361984.

The previous prime is 38873711. The next prime is 38873771. The reversal of 38873730 is 3737883.

It is a super-2 number, since 2×38873730² = 3022333768225800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1875 + ... + 9014.

It is an arithmetic number, because the mean of its divisors is an integer number (1764180).

Almost surely, 2^38873730 is an apocalyptic number.

38873730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38873730 is an abundant number, since it is smaller than the sum of its proper divisors (74033790).

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

38873730 is a wasteful number, since it uses less digits than its factorization.

38873730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10923.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 38873730 is about 6234.8801111168. The cubic root of 38873730 is about 338.7547586283.

The spelling of 38873730 in words is "thirty-eight million, eight hundred seventy-three thousand, seven hundred thirty".