672898715 has 4 divisors (see below), whose sum is σ = 807478464. Its totient is φ = 538318968.

The previous prime is 672898643. The next prime is 672898729. The reversal of 672898715 is 517898276.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 672898715 - 2⁸ = 672898459 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67289867 + ... + 67289876.

It is an arithmetic number, because the mean of its divisors is an integer number (201869616).

Almost surely, 2^672898715 is an apocalyptic number.

672898715 is a deficient number, since it is larger than the sum of its proper divisors (134579749).

672898715 is a wasteful number, since it uses less digits than its factorization.

672898715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134579748.

The product of its digits is 1693440, while the sum is 53.

The square root of 672898715 is about 25940.2913437764. The cubic root of 672898715 is about 876.2941242315.

The spelling of 672898715 in words is "six hundred seventy-two million, eight hundred ninety-eight thousand, seven hundred fifteen".