76744220132461 has 8 divisors (see below), whose sum is σ = 87709722060224. Its totient is φ = 65779228681920.

The previous prime is 76744220132449. The next prime is 76744220132467. The reversal of 76744220132461 is 16423102244767.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76744220132461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76744220132467) 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, 127297095 + ... + 127898548.

It is an arithmetic number, because the mean of its divisors is an integer number (10963715257528).

Almost surely, 2^{76744220132461} is an apocalyptic number.

It is an amenable number.

76744220132461 is a deficient number, since it is larger than the sum of its proper divisors (10965501927763).

76744220132461 is a wasteful number, since it uses less digits than its factorization.

76744220132461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255238611.

The product of its (nonzero) digits is 2709504, while the sum is 49.

The spelling of 76744220132461 in words is "seventy-six trillion, seven hundred forty-four billion, two hundred twenty million, one hundred thirty-two thousand, four hundred sixty-one".