670074372 has 36 divisors (see below), whose sum is σ = 1847781936. Its totient is φ = 203052720.

The previous prime is 670074371. The next prime is 670074401. The reversal of 670074372 is 273470076.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×670074372² = 897999328022388768, 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 (670074371) 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, 845658 + ... + 846449.

It is an arithmetic number, because the mean of its divisors is an integer number (51327276).

Almost surely, 2^670074372 is an apocalyptic number.

It is an amenable number.

670074372 is an abundant number, since it is smaller than the sum of its proper divisors (1177707564).

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

670074372 is a wasteful number, since it uses less digits than its factorization.

670074372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692128 (or 1692123 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 36.

The square root of 670074372 is about 25885.7947917386. The cubic root of 670074372 is about 875.0663882146.

The spelling of 670074372 in words is "six hundred seventy million, seventy-four thousand, three hundred seventy-two".