1370664 has 24 divisors (see below), whose sum is σ = 3712410. Its totient is φ = 456864.

The previous prime is 1370657. The next prime is 1370669. The reversal of 1370664 is 4660731.

It can be written as a sum of positive squares in only one way, i.e., 1368900 + 1764 = 1170^2 + 42^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (1370669) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9447 + ... + 9590.

2^1370664 is an apocalyptic number.

It is an amenable number.

1370664 is an abundant number, since it is smaller than the sum of its proper divisors (2341746).

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

1370664 is a wasteful number, since it uses less digits than its factorization.

1370664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19049 (or 19042 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 1370664 is about 1170.7536034538. The cubic root of 1370664 is about 111.0819944447.

The spelling of 1370664 in words is "one million, three hundred seventy thousand, six hundred sixty-four".