672257920415 has 16 divisors (see below), whose sum is σ = 807642675840. Its totient is φ = 537184431360.

The previous prime is 672257920393. The next prime is 672257920441. The reversal of 672257920415 is 514029752276.

It is not a de Polignac number, because 672257920415 - 2¹⁰ = 672257919391 is a prime.

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, 37587275 + ... + 37605155.

It is an arithmetic number, because the mean of its divisors is an integer number (50477667240).

Almost surely, 2^672257920415 is an apocalyptic number.

672257920415 is a deficient number, since it is larger than the sum of its proper divisors (135384755425).

672257920415 is a wasteful number, since it uses less digits than its factorization.

672257920415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26162.

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 672257920415 in words is "six hundred seventy-two billion, two hundred fifty-seven million, nine hundred twenty thousand, four hundred fifteen".