73120015 has 16 divisors (see below), whose sum is σ = 91808640. Its totient is φ = 55847680.

The previous prime is 73120001. The next prime is 73120027. The reversal of 73120015 is 51002137.

It is not a de Polignac number, because 73120015 - 2⁵ = 73119983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73119974 and 73120001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5841 + ... + 13429.

It is an arithmetic number, because the mean of its divisors is an integer number (5738040).

Almost surely, 2^73120015 is an apocalyptic number.

73120015 is a deficient number, since it is larger than the sum of its proper divisors (18688625).

73120015 is a wasteful number, since it uses less digits than its factorization.

73120015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7682.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 73120015 is about 8551.0242076607. The cubic root of 73120015 is about 418.1628277522.

The spelling of 73120015 in words is "seventy-three million, one hundred twenty thousand, fifteen".