80744915 has 8 divisors (see below), whose sum is σ = 99512880. Its totient is φ = 62849952.

The previous prime is 80744899. The next prime is 80744921. The reversal of 80744915 is 51944708.

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 80744915 - 2⁴ = 80744899 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218045 + ... + 218414.

It is an arithmetic number, because the mean of its divisors is an integer number (12439110).

Almost surely, 2^80744915 is an apocalyptic number.

80744915 is a deficient number, since it is larger than the sum of its proper divisors (18767965).

80744915 is a wasteful number, since it uses less digits than its factorization.

80744915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436501.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 80744915 is about 8985.8174363827. The cubic root of 80744915 is about 432.2202005967.

The spelling of 80744915 in words is "eighty million, seven hundred forty-four thousand, nine hundred fifteen".