670924072 has 144 divisors (see below), whose sum is σ = 1640296980. Its totient is φ = 254983680.

The previous prime is 670924069. The next prime is 670924117. The reversal of 670924072 is 270429076.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 655667236 + 15256836 = 25606^2 + 3906^2 .

It is a super-2 number, since 2×670924072² = 900278220778122368, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4897188 + ... + 4897324.

Almost surely, 2^670924072 is an apocalyptic number.

670924072 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670924072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (820148490).

670924072 is an abundant number, since it is smaller than the sum of its proper divisors (969372908).

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

670924072 is a wasteful number, since it uses less digits than its factorization.

670924072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 670924072 is about 25902.2020685501. The cubic root of 670924072 is about 875.4361132651.

The spelling of 670924072 in words is "six hundred seventy million, nine hundred twenty-four thousand, seventy-two".