75424631 has 8 divisors (see below), whose sum is σ = 79968240. Its totient is φ = 70892928.

The previous prime is 75424627. The next prime is 75424633. The reversal of 75424631 is 13642457.

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

It is a cyclic number.

It is not a de Polignac number, because 75424631 - 2² = 75424627 is a prime.

It is a super-2 number, since 2×75424631² = 11377749922972322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75424633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12380 + ... + 17438.

It is an arithmetic number, because the mean of its divisors is an integer number (9996030).

Almost surely, 2^75424631 is an apocalyptic number.

75424631 is a deficient number, since it is larger than the sum of its proper divisors (4543609).

75424631 is a wasteful number, since it uses less digits than its factorization.

75424631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5953.

The product of its digits is 20160, while the sum is 32.

The square root of 75424631 is about 8684.7355169861. The cubic root of 75424631 is about 422.5107190073.

The spelling of 75424631 in words is "seventy-five million, four hundred twenty-four thousand, six hundred thirty-one".