670764031 has 8 divisors (see below), whose sum is σ = 766744704. Its totient is φ = 574822680.

The previous prime is 670764013. The next prime is 670764037. The reversal of 670764031 is 130467076.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 670764031 - 2⁵ = 670763999 is a prime.

It is a super-2 number, since 2×670764031² = 899848770566737922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670764037) 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, 57396 + ... + 68086.

It is an arithmetic number, because the mean of its divisors is an integer number (95843088).

Almost surely, 2^670764031 is an apocalyptic number.

670764031 is a deficient number, since it is larger than the sum of its proper divisors (95980673).

670764031 is a wasteful number, since it uses less digits than its factorization.

670764031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19661.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 670764031 is about 25899.1125523636. The cubic root of 670764031 is about 875.3664994203.

The spelling of 670764031 in words is "six hundred seventy million, seven hundred sixty-four thousand, thirty-one".