1672869690 has 48 divisors (see below), whose sum is σ = 4368675168. Its totient is φ = 444127968.

The previous prime is 1672869689. The next prime is 1672869703. The reversal of 1672869690 is 969682761.

It is a super-2 number, since 2×1672869690² = 5596985999441392200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20512 + ... + 61371.

It is an arithmetic number, because the mean of its divisors is an integer number (91014066).

Almost surely, 2^1672869690 is an apocalyptic number.

1672869690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1672869690 is an abundant number, since it is smaller than the sum of its proper divisors (2695805478).

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

1672869690 is a wasteful number, since it uses less digits than its factorization.

1672869690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82123 (or 82120 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The square root of 1672869690 is about 40900.7297000921. The cubic root of 1672869690 is about 1187.1001799332.

The spelling of 1672869690 in words is "one billion, six hundred seventy-two million, eight hundred sixty-nine thousand, six hundred ninety".