672747352194 has 16 divisors (see below), whose sum is σ = 1403994474432. Its totient is φ = 214499155728.

The previous prime is 672747352181. The next prime is 672747352229. The reversal of 672747352194 is 491253747276.

It is a super-2 number, since 2×672747352194² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2437490269 + ... + 2437490544.

It is an arithmetic number, because the mean of its divisors is an integer number (87749654652).

Almost surely, 2^672747352194 is an apocalyptic number.

672747352194 is an abundant number, since it is smaller than the sum of its proper divisors (731247122238).

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

672747352194 is a wasteful number, since it uses less digits than its factorization.

672747352194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4874980841.

The product of its digits is 17781120, while the sum is 57.

The spelling of 672747352194 in words is "six hundred seventy-two billion, seven hundred forty-seven million, three hundred fifty-two thousand, one hundred ninety-four".