670733444 has 12 divisors (see below), whose sum is σ = 1195930764. Its totient is φ = 329038944.

The previous prime is 670733387. The next prime is 670733461. The reversal of 670733444 is 444337076.

670733444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 381733444 + 289000000 = 19538^2 + 17000^2 .

It is a super-2 number, since 2×670733444² = 899766705800202272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 670733398 and 670733407.

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, 1581707 + ... + 1582130.

It is an arithmetic number, because the mean of its divisors is an integer number (99660897).

Almost surely, 2^670733444 is an apocalyptic number.

It is an amenable number.

670733444 is a deficient number, since it is larger than the sum of its proper divisors (525197320).

670733444 is a wasteful number, since it uses less digits than its factorization.

670733444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3163894 (or 3163892 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 38.

The square root of 670733444 is about 25898.5220427730. The cubic root of 670733444 is about 875.3531935776.

The spelling of 670733444 in words is "six hundred seventy million, seven hundred thirty-three thousand, four hundred forty-four".