102769730 has 32 divisors (see below), whose sum is σ = 215917056. Its totient is φ = 34484544.

The previous prime is 102769729. The next prime is 102769741. The reversal of 102769730 is 37967201.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12329 + ... + 18908.

It is an arithmetic number, because the mean of its divisors is an integer number (6747408).

Almost surely, 2^102769730 is an apocalyptic number.

102769730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102769730 is an abundant number, since it is smaller than the sum of its proper divisors (113147326).

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

102769730 is a wasteful number, since it uses less digits than its factorization.

102769730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31298.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 102769730 is about 10137.5406287719. The cubic root of 102769730 is about 468.4052331816.

The spelling of 102769730 in words is "one hundred two million, seven hundred sixty-nine thousand, seven hundred thirty".