79646475 has 24 divisors (see below), whose sum is σ = 132491520. Its totient is φ = 42217120.

The previous prime is 79646473. The next prime is 79646491. The reversal of 79646475 is 57464697.

It is not a de Polignac number, because 79646475 - 2¹ = 79646473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79646473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9346 + ... + 15704.

It is an arithmetic number, because the mean of its divisors is an integer number (5520480).

Almost surely, 2^79646475 is an apocalyptic number.

79646475 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

79646475 is a deficient number, since it is larger than the sum of its proper divisors (52845045).

79646475 is a wasteful number, since it uses less digits than its factorization.

79646475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6539 (or 6534 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 48.

The square root of 79646475 is about 8924.4873802365. The cubic root of 79646475 is about 430.2512953335.

The spelling of 79646475 in words is "seventy-nine million, six hundred forty-six thousand, four hundred seventy-five".