672701658 has 8 divisors (see below), whose sum is σ = 1345403328. Its totient is φ = 224233884.

The previous prime is 672701651. The next prime is 672701681. The reversal of 672701658 is 856107276.

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

672701658 is an admirable number.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (672701651) 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 3 ways as a sum of consecutive naturals, for example, 56058466 + ... + 56058477.

It is an arithmetic number, because the mean of its divisors is an integer number (168175416).

Almost surely, 2^672701658 is an apocalyptic number.

672701658 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

672701658 is a wasteful number, since it uses less digits than its factorization.

672701658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112116948.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 672701658 is about 25936.4927852630. The cubic root of 672701658 is about 876.2085755714.

The spelling of 672701658 in words is "six hundred seventy-two million, seven hundred one thousand, six hundred fifty-eight".