38070721904 has 10 divisors (see below), whose sum is σ = 73762023720. Its totient is φ = 19035360944.

The previous prime is 38070721903. The next prime is 38070721943. The reversal of 38070721904 is 40912707083.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38070721901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1189710044 + ... + 1189710075.

It is an arithmetic number, because the mean of its divisors is an integer number (7376202372).

Almost surely, 2^38070721904 is an apocalyptic number.

It is an amenable number.

38070721904 is a deficient number, since it is larger than the sum of its proper divisors (35691301816).

38070721904 is a wasteful number, since it uses less digits than its factorization.

38070721904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379420127 (or 2379420121 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The spelling of 38070721904 in words is "thirty-eight billion, seventy million, seven hundred twenty-one thousand, nine hundred four".