38272770 has 64 divisors (see below), whose sum is σ = 102672000. Its totient is φ = 10145088.

The previous prime is 38272757. The next prime is 38272777. The reversal of 38272770 is 7727283.

38272770 is a `hidden beast` number, since 382 + 7 + 277 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (38272777) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61521 + ... + 62139.

It is an arithmetic number, because the mean of its divisors is an integer number (1604250).

Almost surely, 2^38272770 is an apocalyptic number.

38272770 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 38272770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51336000).

38272770 is an abundant number, since it is smaller than the sum of its proper divisors (64399230).

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

38272770 is a wasteful number, since it uses less digits than its factorization.

38272770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864 (or 858 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 38272770 is about 6186.4990099409. The cubic root of 38272770 is about 337.0000498962. Note that the first 4 decimals are identical.

The spelling of 38272770 in words is "thirty-eight million, two hundred seventy-two thousand, seven hundred seventy".