672906740 has 24 divisors (see below), whose sum is σ = 1541568672. Its totient is φ = 244693280.

The previous prime is 672906727. The next prime is 672906757. The reversal of 672906740 is 47609276.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1529114 + ... + 1529553.

It is an arithmetic number, because the mean of its divisors is an integer number (64232028).

Almost surely, 2^672906740 is an apocalyptic number.

It is an amenable number.

672906740 is an abundant number, since it is smaller than the sum of its proper divisors (868661932).

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

672906740 is a wasteful number, since it uses less digits than its factorization.

672906740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058687 (or 3058685 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 672906740 is about 25940.4460254638. The cubic root of 672906740 is about 876.2976077832.

The spelling of 672906740 in words is "six hundred seventy-two million, nine hundred six thousand, seven hundred forty".