79270745 has 8 divisors (see below), whose sum is σ = 100720584. Its totient is φ = 59686144.

The previous prime is 79270729. The next prime is 79270747. The reversal of 79270745 is 54707297.

It can be written as a sum of positive squares in 4 ways, for example, as 4897369 + 74373376 = 2213^2 + 8624^2 .

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 79270745 - 2⁴ = 79270729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79270747) 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, 466214 + ... + 466383.

It is an arithmetic number, because the mean of its divisors is an integer number (12590073).

Almost surely, 2^79270745 is an apocalyptic number.

It is an amenable number.

79270745 is a deficient number, since it is larger than the sum of its proper divisors (21449839).

79270745 is a wasteful number, since it uses less digits than its factorization.

79270745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932619.

The product of its (nonzero) digits is 123480, while the sum is 41.

The square root of 79270745 is about 8903.4119864241. The cubic root of 79270745 is about 429.5736625246.

The spelling of 79270745 in words is "seventy-nine million, two hundred seventy thousand, seven hundred forty-five".