79475451 has 16 divisors (see below), whose sum is σ = 116062848. Its totient is φ = 47974400.

The previous prime is 79475447. The next prime is 79475477. The reversal of 79475451 is 15457497.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 79475451 - 2² = 79475447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79475411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3796 + ... + 13166.

It is an arithmetic number, because the mean of its divisors is an integer number (7253928).

Almost surely, 2^79475451 is an apocalyptic number.

79475451 is a deficient number, since it is larger than the sum of its proper divisors (36587397).

79475451 is a wasteful number, since it uses less digits than its factorization.

79475451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9642.

The product of its digits is 176400, while the sum is 42.

The square root of 79475451 is about 8914.9005042120. The cubic root of 79475451 is about 429.9431166867.

It can be divided in two parts, 794 and 75451, that added together give a triangular number (76245 = T₃₉₀).

The spelling of 79475451 in words is "seventy-nine million, four hundred seventy-five thousand, four hundred fifty-one".