75404413 has 16 divisors (see below), whose sum is σ = 89520640. Its totient is φ = 62170416.

The previous prime is 75404411. The next prime is 75404423. The reversal of 75404413 is 31440457.

It is not a de Polignac number, because 75404413 - 2¹ = 75404411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75404411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18298 + ... + 22036.

It is an arithmetic number, because the mean of its divisors is an integer number (5595040).

Almost surely, 2^75404413 is an apocalyptic number.

It is an amenable number.

75404413 is a deficient number, since it is larger than the sum of its proper divisors (14116227).

75404413 is a wasteful number, since it uses less digits than its factorization.

75404413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3856.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 75404413 is about 8683.5714426727. The cubic root of 75404413 is about 422.4729635022.

The spelling of 75404413 in words is "seventy-five million, four hundred four thousand, four hundred thirteen".