672061896 has 144 divisors (see below), whose sum is σ = 2054080080. Its totient is φ = 196862400.

The previous prime is 672061879. The next prime is 672061903. The reversal of 672061896 is 698160276.

672061896 is a `hidden beast` number, since 6 + 7 + 20 + 618 + 9 + 6 = 666.

It is a super-2 number, since 2×672061896² = 903334384110229632, which contains 22 as substring.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 760671 + ... + 761553.

It is an arithmetic number, because the mean of its divisors is an integer number (14264445).

Almost surely, 2^672061896 is an apocalyptic number.

672061896 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672061896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1027040040).

672061896 is an abundant number, since it is smaller than the sum of its proper divisors (1382018184).

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

672061896 is a wasteful number, since it uses less digits than its factorization.

672061896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968 (or 930 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 672061896 is about 25924.1566111610. The cubic root of 672061896 is about 875.9307194850.

The spelling of 672061896 in words is "six hundred seventy-two million, sixty-one thousand, eight hundred ninety-six".