73889438 has 16 divisors (see below), whose sum is σ = 126827520. Its totient is φ = 31626936.

The previous prime is 73889401. The next prime is 73889441. The reversal of 73889438 is 83498837.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9995 + ... + 15737.

It is an arithmetic number, because the mean of its divisors is an integer number (7926720).

Almost surely, 2^73889438 is an apocalyptic number.

73889438 is a deficient number, since it is larger than the sum of its proper divisors (52938082).

73889438 is a wasteful number, since it uses less digits than its factorization.

73889438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6671.

The product of its digits is 1161216, while the sum is 50.

The square root of 73889438 is about 8595.8965791824. The cubic root of 73889438 is about 419.6244526603.

The spelling of 73889438 in words is "seventy-three million, eight hundred eighty-nine thousand, four hundred thirty-eight".