670244652 has 288 divisors, whose sum is σ = 2316625920. Its totient is φ = 163468800.

The previous prime is 670244651. The next prime is 670244657. The reversal of 670244652 is 256442076.

It is a super-2 number, since 2×670244652² = 898455787069202208, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (670244651) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1554877 + ... + 1555307.

It is an arithmetic number, because the mean of its divisors is an integer number (8043840).

Almost surely, 2^670244652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670244652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1158312960).

670244652 is an abundant number, since it is smaller than the sum of its proper divisors (1646381268).

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

670244652 is a wasteful number, since it uses less digits than its factorization.

670244652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 670244652 is about 25889.0836454286. The cubic root of 670244652 is about 875.1405061984.

The spelling of 670244652 in words is "six hundred seventy million, two hundred forty-four thousand, six hundred fifty-two".