1490731670 has 32 divisors (see below), whose sum is σ = 2706631200. Its totient is φ = 591136000.

The previous prime is 1490731667. The next prime is 1490731703. The reversal of 1490731670 is 761370941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 583556 + ... + 586104.

It is an arithmetic number, because the mean of its divisors is an integer number (84582225).

Almost surely, 2^1490731670 is an apocalyptic number.

1490731670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1490731670 is a deficient number, since it is larger than the sum of its proper divisors (1215899530).

1490731670 is a wasteful number, since it uses less digits than its factorization.

1490731670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3040.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 1490731670 is about 38609.9944314940. The cubic root of 1490731670 is about 1142.3516833325.

The spelling of 1490731670 in words is "one billion, four hundred ninety million, seven hundred thirty-one thousand, six hundred seventy".