79620265 has 8 divisors (see below), whose sum is σ = 101164680. Its totient is φ = 59949312.

The previous prime is 79620259. The next prime is 79620287. The reversal of 79620265 is 56202697.

It can be written as a sum of positive squares in 4 ways, for example, as 6620329 + 72999936 = 2573^2 + 8544^2 .

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 79620265 - 2⁷ = 79620137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468270 + ... + 468439.

It is an arithmetic number, because the mean of its divisors is an integer number (12645585).

Almost surely, 2^79620265 is an apocalyptic number.

It is an amenable number.

79620265 is a deficient number, since it is larger than the sum of its proper divisors (21544415).

79620265 is a wasteful number, since it uses less digits than its factorization.

79620265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936731.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 79620265 is about 8923.0188277287. The cubic root of 79620265 is about 430.2040945684.

The spelling of 79620265 in words is "seventy-nine million, six hundred twenty thousand, two hundred sixty-five".