75936431 has 2 divisors, whose sum is σ = 75936432. Its totient is φ = 75936430.

The previous prime is 75936389. The next prime is 75936437. The reversal of 75936431 is 13463957.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75936431 - 2¹⁰ = 75935407 is a prime.

It is a super-2 number, since 2×75936431² = 11532683106035522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75936437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37968215 + 37968216.

It is an arithmetic number, because the mean of its divisors is an integer number (37968216).

Almost surely, 2^75936431 is an apocalyptic number.

75936431 is a deficient number, since it is larger than the sum of its proper divisors (1).

75936431 is an equidigital number, since it uses as much as digits as its factorization.

75936431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 38.

The square root of 75936431 is about 8714.1511921701. The cubic root of 75936431 is about 423.4642258908.

It can be divided in two parts, 75936 and 431, that added together give a palindrome (76367).

The spelling of 75936431 in words is "seventy-five million, nine hundred thirty-six thousand, four hundred thirty-one".