38457072 has 40 divisors (see below), whose sum is σ = 110387280. Its totient is φ = 12818880.

The previous prime is 38457061. The next prime is 38457073. The reversal of 38457072 is 27075483.

38457072 is a `hidden beast` number, since 3 + 84 + 570 + 7 + 2 = 666.

38457072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38457073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44079 + ... + 44942.

It is an arithmetic number, because the mean of its divisors is an integer number (2759682).

Almost surely, 2^38457072 is an apocalyptic number.

It is an amenable number.

38457072 is an abundant number, since it is smaller than the sum of its proper divisors (71930208).

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

38457072 is a wasteful number, since it uses less digits than its factorization.

38457072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89038 (or 89026 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 38457072 is about 6201.3766213640. The cubic root of 38457072 is about 337.5401236248.

The spelling of 38457072 in words is "thirty-eight million, four hundred fifty-seven thousand, seventy-two".