75461502731 has 2 divisors, whose sum is σ = 75461502732. Its totient is φ = 75461502730.

The previous prime is 75461502671. The next prime is 75461502733. The reversal of 75461502731 is 13720516457.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75461502731 - 2⁶ = 75461502667 is a prime.

It is a super-2 number, since 2×75461502731² (a number of 23 digits) contains 22 as substring.

Together with 75461502733, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75461502733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37730751365 + 37730751366.

It is an arithmetic number, because the mean of its divisors is an integer number (37730751366).

Almost surely, 2^75461502731 is an apocalyptic number.

75461502731 is a deficient number, since it is larger than the sum of its proper divisors (1).

75461502731 is an equidigital number, since it uses as much as digits as its factorization.

75461502731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 41.

The spelling of 75461502731 in words is "seventy-five billion, four hundred sixty-one million, five hundred two thousand, seven hundred thirty-one".