75492431 has 8 divisors (see below), whose sum is σ = 86338560. Its totient is φ = 64661688.

The previous prime is 75492421. The next prime is 75492449. The reversal of 75492431 is 13429457.

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

It is not a de Polignac number, because 75492431 - 2⁶ = 75492367 is a prime.

It is a super-2 number, since 2×75492431² = 11398214276579522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75492391 and 75492400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75492421) 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, 10010 + ... + 15848.

It is an arithmetic number, because the mean of its divisors is an integer number (10792320).

Almost surely, 2^75492431 is an apocalyptic number.

75492431 is a deficient number, since it is larger than the sum of its proper divisors (10846129).

75492431 is a wasteful number, since it uses less digits than its factorization.

75492431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7693.

The product of its digits is 30240, while the sum is 35.

The square root of 75492431 is about 8688.6380405677. The cubic root of 75492431 is about 422.6372808796.

The spelling of 75492431 in words is "seventy-five million, four hundred ninety-two thousand, four hundred thirty-one".