75461502761 has 2 divisors, whose sum is σ = 75461502762. Its totient is φ = 75461502760.

The previous prime is 75461502749. The next prime is 75461502797. The reversal of 75461502761 is 16720516457.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59936342761 + 15525160000 = 244819^2 + 124600^2 .

It is a cyclic number.

It is not a de Polignac number, because 75461502761 - 2¹⁴ = 75461486377 is a prime.

It is not a weakly prime, because it can be changed into another prime (75461502731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37730751380 + 37730751381.

It is an arithmetic number, because the mean of its divisors is an integer number (37730751381).

Almost surely, 2^75461502761 is an apocalyptic number.

It is an amenable number.

75461502761 is a deficient number, since it is larger than the sum of its proper divisors (1).

75461502761 is an equidigital number, since it uses as much as digits as its factorization.

75461502761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 75461502761 in words is "seventy-five billion, four hundred sixty-one million, five hundred two thousand, seven hundred sixty-one".