79423761 has 8 divisors (see below), whose sum is σ = 110502720. Its totient is φ = 50646992.

The previous prime is 79423759. The next prime is 79423787. The reversal of 79423761 is 16732497.

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

It is a cyclic number.

It is not a de Polignac number, because 79423761 - 2¹ = 79423759 is a prime.

It is a super-2 number, since 2×79423761² = 12616267622770242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79423061) 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, 575466 + ... + 575603.

It is an arithmetic number, because the mean of its divisors is an integer number (13812840).

Almost surely, 2^79423761 is an apocalyptic number.

It is an amenable number.

79423761 is a deficient number, since it is larger than the sum of its proper divisors (31078959).

79423761 is a wasteful number, since it uses less digits than its factorization.

79423761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151095.

The product of its digits is 63504, while the sum is 39.

The square root of 79423761 is about 8912.0009537701. Note that the first 3 decimals coincide. The cubic root of 79423761 is about 429.8498863068.

The spelling of 79423761 in words is "seventy-nine million, four hundred twenty-three thousand, seven hundred sixty-one".