71752613461 has 2 divisors, whose sum is σ = 71752613462. Its totient is φ = 71752613460.

The previous prime is 71752613437. The next prime is 71752613467. The reversal of 71752613461 is 16431625717.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70182076561 + 1570536900 = 264919^2 + 39630^2 .

It is a cyclic number.

It is not a de Polignac number, because 71752613461 - 2⁷ = 71752613333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71752613467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35876306730 + 35876306731.

It is an arithmetic number, because the mean of its divisors is an integer number (35876306731).

Almost surely, 2^71752613461 is an apocalyptic number.

It is an amenable number.

71752613461 is a deficient number, since it is larger than the sum of its proper divisors (1).

71752613461 is an equidigital number, since it uses as much as digits as its factorization.

71752613461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 43.

The spelling of 71752613461 in words is "seventy-one billion, seven hundred fifty-two million, six hundred thirteen thousand, four hundred sixty-one".