672950856 has 32 divisors (see below), whose sum is σ = 1691105760. Its totient is φ = 223153152.

The previous prime is 672950843. The next prime is 672950869. The reversal of 672950856 is 658059276.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (672950843) and next prime (672950869).

It is a super-3 number, since 3×672950856³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68010 + ... + 77273.

It is an arithmetic number, because the mean of its divisors is an integer number (52847055).

Almost surely, 2^672950856 is an apocalyptic number.

It is an amenable number.

672950856 is an abundant number, since it is smaller than the sum of its proper divisors (1018154904).

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

672950856 is a wasteful number, since it uses less digits than its factorization.

672950856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145485 (or 145481 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 48.

The square root of 672950856 is about 25941.2963438607. The cubic root of 672950856 is about 876.3167574900.

The spelling of 672950856 in words is "six hundred seventy-two million, nine hundred fifty thousand, eight hundred fifty-six".