73443938 has 16 divisors (see below), whose sum is σ = 111724704. Its totient is φ = 36205440.

The previous prime is 73443901. The next prime is 73443943. The reversal of 73443938 is 83934437.

It is a junction number, because it is equal to n+sod(n) for n = 73443895 and 73443904.

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, 66773 + ... + 67863.

It is an arithmetic number, because the mean of its divisors is an integer number (6982794).

Almost surely, 2^73443938 is an apocalyptic number.

73443938 is a deficient number, since it is larger than the sum of its proper divisors (38280766).

73443938 is a wasteful number, since it uses less digits than its factorization.

73443938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537.

The product of its digits is 217728, while the sum is 41.

The square root of 73443938 is about 8569.9438737952. The cubic root of 73443938 is about 418.7794078107.

The spelling of 73443938 in words is "seventy-three million, four hundred forty-three thousand, nine hundred thirty-eight".