670253472 has 72 divisors (see below), whose sum is σ = 2178330336. Its totient is φ = 191500416.

The previous prime is 670253431. The next prime is 670253489. The reversal of 670253472 is 274352076.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164218 + ... + 168249.

It is an arithmetic number, because the mean of its divisors is an integer number (30254588).

Almost surely, 2^670253472 is an apocalyptic number.

It is an amenable number.

670253472 is an abundant number, since it is smaller than the sum of its proper divisors (1508076864).

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

670253472 is a wasteful number, since it uses less digits than its factorization.

670253472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332490 (or 332479 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 670253472 is about 25889.2539869344. The cubic root of 670253472 is about 875.1443449486.

The spelling of 670253472 in words is "six hundred seventy million, two hundred fifty-three thousand, four hundred seventy-two".