670044371 has 4 divisors (see below), whose sum is σ = 670296792. Its totient is φ = 669791952.

The previous prime is 670044337. The next prime is 670044373. The reversal of 670044371 is 173440076.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 670044371 - 2²⁶ = 602935507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670044373) 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, 122186 + ... + 127551.

It is an arithmetic number, because the mean of its divisors is an integer number (167574198).

Almost surely, 2^670044371 is an apocalyptic number.

670044371 is a deficient number, since it is larger than the sum of its proper divisors (252421).

670044371 is a wasteful number, since it uses less digits than its factorization.

670044371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252420.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 670044371 is about 25885.2152975400. The cubic root of 670044371 is about 875.0533283416.

The spelling of 670044371 in words is "six hundred seventy million, forty-four thousand, three hundred seventy-one".