1690983074 has 16 divisors (see below), whose sum is σ = 2812427136. Its totient is φ = 756027600.

The previous prime is 1690983067. The next prime is 1690983083. The reversal of 1690983074 is 4703890961.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628682 + ... + 631365.

It is an arithmetic number, because the mean of its divisors is an integer number (175776696).

Almost surely, 2^1690983074 is an apocalyptic number.

1690983074 is a deficient number, since it is larger than the sum of its proper divisors (1121444062).

1690983074 is a wasteful number, since it uses less digits than its factorization.

1690983074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260121.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 1690983074 is about 41121.5645859931. The cubic root of 1690983074 is about 1191.3693424029.

The spelling of 1690983074 in words is "one billion, six hundred ninety million, nine hundred eighty-three thousand, seventy-four".