670506752 has 36 divisors (see below), whose sum is σ = 1356766320. Its totient is φ = 330651648.

The previous prime is 670506703. The next prime is 670506757. The reversal of 670506752 is 257605076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670506757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 749 + ... + 36627.

Almost surely, 2^670506752 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 670506752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (678383160).

670506752 is an abundant number, since it is smaller than the sum of its proper divisors (686259568).

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

670506752 is an equidigital number, since it uses as much as digits as its factorization.

670506752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35968 (or 35954 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 670506752 is about 25894.1451297393. The cubic root of 670506752 is about 875.2545662577.

The spelling of 670506752 in words is "six hundred seventy million, five hundred six thousand, seven hundred fifty-two".