38457070 has 16 divisors (see below), whose sum is σ = 69608448. Its totient is φ = 15297120.

The previous prime is 38457061. The next prime is 38457073. The reversal of 38457070 is 7075483.

It is a plaindrome in base 16.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8814 + ... + 12433.

It is an arithmetic number, because the mean of its divisors is an integer number (4350528).

Almost surely, 2^38457070 is an apocalyptic number.

38457070 is a deficient number, since it is larger than the sum of its proper divisors (31151378).

38457070 is a wasteful number, since it uses less digits than its factorization.

38457070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21435.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 38457070 is about 6201.3764601095. The cubic root of 38457070 is about 337.5401177734.

The spelling of 38457070 in words is "thirty-eight million, four hundred fifty-seven thousand, seventy".