38670742 has 16 divisors (see below), whose sum is σ = 63386064. Its totient is φ = 17548000.

The previous prime is 38670739. The next prime is 38670769. The reversal of 38670742 is 24707683.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16992 + ... + 19132.

It is an arithmetic number, because the mean of its divisors is an integer number (3961629).

Almost surely, 2^38670742 is an apocalyptic number.

38670742 is a deficient number, since it is larger than the sum of its proper divisors (24715322).

38670742 is a wasteful number, since it uses less digits than its factorization.

38670742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2975.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 38670742 is about 6218.5803846216. The cubic root of 38670742 is about 338.1641010743.

The spelling of 38670742 in words is "thirty-eight million, six hundred seventy thousand, seven hundred forty-two".