670440452 has 24 divisors (see below), whose sum is σ = 1296140160. Its totient is φ = 300886560.

The previous prime is 670440451. The next prime is 670440457. The reversal of 670440452 is 254044076.

It is not an unprimeable number, because it can be changed into a prime (670440451) 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, 92963 + ... + 99914.

It is an arithmetic number, because the mean of its divisors is an integer number (54005840).

Almost surely, 2^670440452 is an apocalyptic number.

It is an amenable number.

670440452 is a deficient number, since it is larger than the sum of its proper divisors (625699708).

670440452 is a wasteful number, since it uses less digits than its factorization.

670440452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192971 (or 192969 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 670440452 is about 25892.8648859102. The cubic root of 670440452 is about 875.2257167890.

The spelling of 670440452 in words is "six hundred seventy million, four hundred forty thousand, four hundred fifty-two".