672521711017 has 8 divisors (see below), whose sum is σ = 724261522880. Its totient is φ = 620782952400.

The previous prime is 672521711003. The next prime is 672521711027. The reversal of 672521711017 is 710117125276.

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

It is not a de Polignac number, because 672521711017 - 2³⁵ = 638161972649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672521711027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1500484 + ... + 1896442.

It is an arithmetic number, because the mean of its divisors is an integer number (90532690360).

Almost surely, 2^672521711017 is an apocalyptic number.

It is an amenable number.

672521711017 is a deficient number, since it is larger than the sum of its proper divisors (51739811863).

672521711017 is a wasteful number, since it uses less digits than its factorization.

672521711017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526623.

The product of its (nonzero) digits is 41160, while the sum is 40.

The spelling of 672521711017 in words is "six hundred seventy-two billion, five hundred twenty-one million, seven hundred eleven thousand, seventeen".