670955628 has 36 divisors (see below), whose sum is σ = 1821166872. Its totient is φ = 191701440.

The previous prime is 670955627. The next prime is 670955633. The reversal of 670955628 is 826559076.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (670955627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 569953 + ... + 571128.

Almost surely, 2^670955628 is an apocalyptic number.

It is an amenable number.

670955628 is an abundant number, since it is smaller than the sum of its proper divisors (1150211244).

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

670955628 is a wasteful number, since it uses less digits than its factorization.

670955628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141102 (or 1141093 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 48.

The square root of 670955628 is about 25902.8111987869. The cubic root of 670955628 is about 875.4498380317.

The spelling of 670955628 in words is "six hundred seventy million, nine hundred fifty-five thousand, six hundred twenty-eight".