670961740 has 12 divisors (see below), whose sum is σ = 1409019696. Its totient is φ = 268384688.

The previous prime is 670961713. The next prime is 670961741. The reversal of 670961740 is 47169076.

670961740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 670961693 and 670961702.

It is not an unprimeable number, because it can be changed into a prime (670961741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16774024 + ... + 16774063.

It is an arithmetic number, because the mean of its divisors is an integer number (117418308).

Almost surely, 2^670961740 is an apocalyptic number.

It is an amenable number.

670961740 is an abundant number, since it is smaller than the sum of its proper divisors (738057956).

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

670961740 is a wasteful number, since it uses less digits than its factorization.

670961740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33548096 (or 33548094 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 670961740 is about 25902.9291779907. The cubic root of 670961740 is about 875.4524962965.

The spelling of 670961740 in words is "six hundred seventy million, nine hundred sixty-one thousand, seven hundred forty".