670949653740 has 48 divisors (see below), whose sum is σ = 1878713733120. Its totient is φ = 178914697920.

The previous prime is 670949653723. The next prime is 670949653757. The reversal of 670949653740 is 47356949076.

It is an interprime number because it is at equal distance from previous prime (670949653723) and next prime (670949653757).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2197845 + ... + 2484435.

It is an arithmetic number, because the mean of its divisors is an integer number (39139869440).

Almost surely, 2^670949653740 is an apocalyptic number.

670949653740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

670949653740 is an abundant number, since it is smaller than the sum of its proper divisors (1207764079380).

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

670949653740 is a wasteful number, since it uses less digits than its factorization.

670949653740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325622 (or 325620 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 60.

The spelling of 670949653740 in words is "six hundred seventy billion, nine hundred forty-nine million, six hundred fifty-three thousand, seven hundred forty".