670147844 has 12 divisors (see below), whose sum is σ = 1176580944. Its totient is φ = 333981864.

The previous prime is 670147799. The next prime is 670147861. The reversal of 670147844 is 448741076.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271634 + ... + 274089.

It is an arithmetic number, because the mean of its divisors is an integer number (98048412).

Almost surely, 2^670147844 is an apocalyptic number.

It is an amenable number.

670147844 is a deficient number, since it is larger than the sum of its proper divisors (506433100).

670147844 is a wasteful number, since it uses less digits than its factorization.

670147844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546034 (or 546032 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 670147844 is about 25887.2139095732. The cubic root of 670147844 is about 875.0983700018.

It can be divided in two parts, 6701 and 47844, that added together give a palindrome (54545).

The spelling of 670147844 in words is "six hundred seventy million, one hundred forty-seven thousand, eight hundred forty-four".