670039970 has 16 divisors (see below), whose sum is σ = 1207994688. Its totient is φ = 267588720.

The previous prime is 670039969. The next prime is 670040027. The reversal of 670039970 is 79930076.

It is a super-2 number, since 2×670039970² = 897907122795201800, which contains 22 as substring.

It is a Curzon 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, 46784 + ... + 59403.

It is an arithmetic number, because the mean of its divisors is an integer number (75499668).

Almost surely, 2^670039970 is an apocalyptic number.

670039970 is a deficient number, since it is larger than the sum of its proper divisors (537954718).

670039970 is a wasteful number, since it uses less digits than its factorization.

670039970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106825.

The product of its (nonzero) digits is 71442, while the sum is 41.

The square root of 670039970 is about 25885.1302874836. The cubic root of 670039970 is about 875.0514124893.

The spelling of 670039970 in words is "six hundred seventy million, thirty-nine thousand, nine hundred seventy".