670523452 has 24 divisors (see below), whose sum is σ = 1307834640. Its totient is φ = 298932480.

The previous prime is 670523443. The next prime is 670523507. The reversal of 670523452 is 254325076.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258199 + ... + 260782.

It is an arithmetic number, because the mean of its divisors is an integer number (54493110).

Almost surely, 2^670523452 is an apocalyptic number.

It is an amenable number.

670523452 is a deficient number, since it is larger than the sum of its proper divisors (637311188).

670523452 is a wasteful number, since it uses less digits than its factorization.

670523452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519021 (or 519019 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 670523452 is about 25894.4675944496. The cubic root of 670523452 is about 875.2618327169.

The spelling of 670523452 in words is "six hundred seventy million, five hundred twenty-three thousand, four hundred fifty-two".