207149768 has 16 divisors (see below), whose sum is σ = 443892480. Its totient is φ = 88778448.

The previous prime is 207149759. The next prime is 207149807. The reversal of 207149768 is 867941702.

It is a super-2 number, since 2×207149768² = 85822052764907648, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1849496 + ... + 1849607.

It is an arithmetic number, because the mean of its divisors is an integer number (27743280).

Almost surely, 2^207149768 is an apocalyptic number.

207149768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

207149768 is an abundant number, since it is smaller than the sum of its proper divisors (236742712).

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

207149768 is a wasteful number, since it uses less digits than its factorization.

207149768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3699116 (or 3699112 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 207149768 is about 14392.6984266329. The cubic root of 207149768 is about 591.6908006114.

The spelling of 207149768 in words is "two hundred seven million, one hundred forty-nine thousand, seven hundred sixty-eight".