104072815 has 72 divisors (see below), whose sum is σ = 167943888. Its totient is φ = 61205760.

The previous prime is 104072807. The next prime is 104072833. The reversal of 104072815 is 518270401.

It is not a de Polignac number, because 104072815 - 2³ = 104072807 is a prime.

It is a congruent number.

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 71 ways as a sum of consecutive naturals, for example, 1425619 + ... + 1425691.

It is an arithmetic number, because the mean of its divisors is an integer number (2332554).

Almost surely, 2^104072815 is an apocalyptic number.

104072815 is a deficient number, since it is larger than the sum of its proper divisors (63871073).

104072815 is a wasteful number, since it uses less digits than its factorization.

104072815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 104072815 is about 10201.6084516119. The cubic root of 104072815 is about 470.3766635012.

The spelling of 104072815 in words is "one hundred four million, seventy-two thousand, eight hundred fifteen".