73443404 has 12 divisors (see below), whose sum is σ = 129027864. Its totient is φ = 36578304.

The previous prime is 73443401. The next prime is 73443431. The reversal of 73443404 is 40434437.

It is a super-2 number, since 2×73443404² = 10787867182214432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73443401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34694 + ... + 36749.

It is an arithmetic number, because the mean of its divisors is an integer number (10752322).

Almost surely, 2^73443404 is an apocalyptic number.

It is an amenable number.

73443404 is a deficient number, since it is larger than the sum of its proper divisors (55584460).

73443404 is a wasteful number, since it uses less digits than its factorization.

73443404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71704 (or 71702 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 29.

The square root of 73443404 is about 8569.9127183420. The cubic root of 73443404 is about 418.7783928472.

The spelling of 73443404 in words is "seventy-three million, four hundred forty-three thousand, four hundred four".