79132515 has 64 divisors (see below), whose sum is σ = 159363072. Its totient is φ = 32572800.

The previous prime is 79132507. The next prime is 79132517. The reversal of 79132515 is 51523197.

It is not a de Polignac number, because 79132515 - 2³ = 79132507 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (79132517) 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 63 ways as a sum of consecutive naturals, for example, 151044 + ... + 151566.

It is an arithmetic number, because the mean of its divisors is an integer number (2490048).

Almost surely, 2^79132515 is an apocalyptic number.

79132515 is an abundant number, since it is smaller than the sum of its proper divisors (80230557).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79132515 is a wasteful number, since it uses less digits than its factorization.

79132515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680.

The product of its digits is 9450, while the sum is 33.

The square root of 79132515 is about 8895.6458450188. The cubic root of 79132515 is about 429.3238245974.

The spelling of 79132515 in words is "seventy-nine million, one hundred thirty-two thousand, five hundred fifteen".