672545516452715 has 8 divisors (see below), whose sum is σ = 833088639735168. Its totient is φ = 520680399834240.

The previous prime is 672545516452697. The next prime is 672545516452727. The reversal of 672545516452715 is 517254615545276.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 672545516452715 - 2¹⁰ = 672545516451691 is a prime.

It is a Duffinian number.

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, 2169501665822 + ... + 2169501666131.

It is an arithmetic number, because the mean of its divisors is an integer number (104136079966896).

Almost surely, 2^{672545516452715} is an apocalyptic number.

672545516452715 is a deficient number, since it is larger than the sum of its proper divisors (160543123282453).

672545516452715 is a wasteful number, since it uses less digits than its factorization.

672545516452715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4339003331989.

The product of its digits is 352800000, while the sum is 65.

The spelling of 672545516452715 in words is "six hundred seventy-two trillion, five hundred forty-five billion, five hundred sixteen million, four hundred fifty-two thousand, seven hundred fifteen".