73026404 has 18 divisors (see below), whose sum is σ = 140471142. Its totient is φ = 33193600.

The previous prime is 73026389. The next prime is 73026461. The reversal of 73026404 is 40462037.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 39037504 + 33988900 = 6248^2 + 5830^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74957 + ... + 75924.

Almost surely, 2^73026404 is an apocalyptic number.

It is an amenable number.

73026404 is a deficient number, since it is larger than the sum of its proper divisors (67444738).

73026404 is a wasteful number, since it uses less digits than its factorization.

73026404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150907 (or 150894 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 73026404 is about 8545.5487828460. The cubic root of 73026404 is about 417.9843022729.

The spelling of 73026404 in words is "seventy-three million, twenty-six thousand, four hundred four".