73438412 has 6 divisors (see below), whose sum is σ = 128517228. Its totient is φ = 36719204.

The previous prime is 73438381. The next prime is 73438459. The reversal of 73438412 is 21483437.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9179798 + ... + 9179805.

It is an arithmetic number, because the mean of its divisors is an integer number (21419538).

Almost surely, 2^73438412 is an apocalyptic number.

It is an amenable number.

73438412 is a deficient number, since it is larger than the sum of its proper divisors (55078816).

73438412 is a wasteful number, since it uses less digits than its factorization.

73438412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18359607 (or 18359605 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 73438412 is about 8569.6214618850. The cubic root of 73438412 is about 418.7689044113.

The spelling of 73438412 in words is "seventy-three million, four hundred thirty-eight thousand, four hundred twelve".