79452745 has 8 divisors (see below), whose sum is σ = 95410440. Its totient is φ = 63517440.

The previous prime is 79452733. The next prime is 79452773. The reversal of 79452745 is 54725497.

It can be written as a sum of positive squares in 4 ways, for example, as 7338681 + 72114064 = 2709^2 + 8492^2 .

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

It is not a de Polignac number, because 79452745 - 2⁷ = 79452617 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3585 + ... + 13105.

It is an arithmetic number, because the mean of its divisors is an integer number (11926305).

Almost surely, 2^79452745 is an apocalyptic number.

It is an amenable number.

79452745 is a deficient number, since it is larger than the sum of its proper divisors (15957695).

79452745 is a wasteful number, since it uses less digits than its factorization.

79452745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11195.

The product of its digits is 352800, while the sum is 43.

The square root of 79452745 is about 8913.6269273512. The cubic root of 79452745 is about 429.9021681165.

The spelling of 79452745 in words is "seventy-nine million, four hundred fifty-two thousand, seven hundred forty-five".