73428579 has 32 divisors (see below), whose sum is σ = 124746240. Its totient is φ = 41816736.

The previous prime is 73428577. The next prime is 73428601. The reversal of 73428579 is 97582437.

73428579 is a `hidden beast` number, since 73 + 4 + 2 + 8 + 579 = 666.

It is not a de Polignac number, because 73428579 - 2¹ = 73428577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73428577) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83289 + ... + 84165.

It is an arithmetic number, because the mean of its divisors is an integer number (3898320).

Almost surely, 2^73428579 is an apocalyptic number.

73428579 is a deficient number, since it is larger than the sum of its proper divisors (51317661).

73428579 is a wasteful number, since it uses less digits than its factorization.

73428579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336 (or 1330 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 73428579 is about 8569.0477300573. The cubic root of 73428579 is about 418.7502132916.

The spelling of 73428579 in words is "seventy-three million, four hundred twenty-eight thousand, five hundred seventy-nine".