75625381 has 8 divisors (see below), whose sum is σ = 82234880. Its totient is φ = 69129072.

The previous prime is 75625369. The next prime is 75625391. The reversal of 75625381 is 18352657.

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 75625381 - 2¹⁵ = 75592613 is a prime.

It is a super-2 number, since 2×75625381² = 11438396502790322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 75625381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75625331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26901 + ... + 29578.

It is an arithmetic number, because the mean of its divisors is an integer number (10279360).

Almost surely, 2^75625381 is an apocalyptic number.

It is an amenable number.

75625381 is a deficient number, since it is larger than the sum of its proper divisors (6609499).

75625381 is a wasteful number, since it uses less digits than its factorization.

75625381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56595.

The product of its digits is 50400, while the sum is 37.

The square root of 75625381 is about 8696.2854713952. The cubic root of 75625381 is about 422.8852380710.

The spelling of 75625381 in words is "seventy-five million, six hundred twenty-five thousand, three hundred eighty-one".