72672115 has 8 divisors (see below), whose sum is σ = 90213840. Its totient is φ = 56132832.

The previous prime is 72672079. The next prime is 72672137. The reversal of 72672115 is 51127627.

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 72672115 - 2⁹ = 72671603 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, 250449 + ... + 250738.

It is an arithmetic number, because the mean of its divisors is an integer number (11276730).

Almost surely, 2^72672115 is an apocalyptic number.

72672115 is a deficient number, since it is larger than the sum of its proper divisors (17541725).

72672115 is a wasteful number, since it uses less digits than its factorization.

72672115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501221.

The product of its digits is 5880, while the sum is 31.

The square root of 72672115 is about 8524.7941324116. The cubic root of 72672115 is about 417.3072532303.

The spelling of 72672115 in words is "seventy-two million, six hundred seventy-two thousand, one hundred fifteen".