672646801 has 8 divisors (see below), whose sum is σ = 677343744. Its totient is φ = 667962480.

The previous prime is 672646771. The next prime is 672646813. The reversal of 672646801 is 108646276.

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 672646801 - 2⁷ = 672646673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672646301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120075 + ... + 125551.

It is an arithmetic number, because the mean of its divisors is an integer number (84667968).

Almost surely, 2^672646801 is an apocalyptic number.

It is an amenable number.

672646801 is a deficient number, since it is larger than the sum of its proper divisors (4696943).

672646801 is a wasteful number, since it uses less digits than its factorization.

672646801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6311.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 672646801 is about 25935.4352382990. The cubic root of 672646801 is about 876.1847574445.

The spelling of 672646801 in words is "six hundred seventy-two million, six hundred forty-six thousand, eight hundred one".