670872454 has 16 divisors (see below), whose sum is σ = 1174537728. Its totient is φ = 281399112.

The previous prime is 670872443. The next prime is 670872491. The reversal of 670872454 is 454278076.

It is a self number, because there is not a number n which added to its sum of digits gives 670872454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509124 + ... + 510439.

It is an arithmetic number, because the mean of its divisors is an integer number (73408608).

Almost surely, 2^670872454 is an apocalyptic number.

670872454 is a deficient number, since it is larger than the sum of its proper divisors (503665274).

670872454 is a wasteful number, since it uses less digits than its factorization.

670872454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019619.

The product of its (nonzero) digits is 376320, while the sum is 43.

The square root of 670872454 is about 25901.2056476142. The cubic root of 670872454 is about 875.4136619316.

The spelling of 670872454 in words is "six hundred seventy million, eight hundred seventy-two thousand, four hundred fifty-four".