670290888 has 32 divisors (see below), whose sum is σ = 1680809760. Its totient is φ = 222752640.

The previous prime is 670290883. The next prime is 670290893. The reversal of 670290888 is 888092076.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (670290883) and next prime (670290893).

It is not an unprimeable number, because it can be changed into a prime (670290883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34245 + ... + 50132.

It is an arithmetic number, because the mean of its divisors is an integer number (52525305).

Almost surely, 2^670290888 is an apocalyptic number.

It is an amenable number.

670290888 is an abundant number, since it is smaller than the sum of its proper divisors (1010518872).

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

670290888 is a wasteful number, since it uses less digits than its factorization.

670290888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84717 (or 84713 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 670290888 is about 25889.9765932687. The cubic root of 670290888 is about 875.1606292316.

The spelling of 670290888 in words is "six hundred seventy million, two hundred ninety thousand, eight hundred eighty-eight".