73404745 has 8 divisors (see below), whose sum is σ = 90927360. Its totient is φ = 56829360.

The previous prime is 73404739. The next prime is 73404757. The reversal of 73404745 is 54740437.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73404745 - 2¹¹ = 73402697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73404745.

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, 236635 + ... + 236944.

It is an arithmetic number, because the mean of its divisors is an integer number (11365920).

Almost surely, 2^73404745 is an apocalyptic number.

It is an amenable number.

73404745 is a deficient number, since it is larger than the sum of its proper divisors (17522615).

73404745 is a wasteful number, since it uses less digits than its factorization.

73404745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473615.

The product of its (nonzero) digits is 47040, while the sum is 34.

The square root of 73404745 is about 8567.6569142327. The cubic root of 73404745 is about 418.7049013583.

The spelling of 73404745 in words is "seventy-three million, four hundred four thousand, seven hundred forty-five".