102739740 has 24 divisors (see below), whose sum is σ = 287671440. Its totient is φ = 27397248.

The previous prime is 102739739. The next prime is 102739759. The reversal of 102739740 is 47937201.

It is a congruent number.

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, 856105 + ... + 856224.

It is an arithmetic number, because the mean of its divisors is an integer number (11986310).

Almost surely, 2^102739740 is an apocalyptic number.

102739740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102739740 is an abundant number, since it is smaller than the sum of its proper divisors (184931700).

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

102739740 is a wasteful number, since it uses less digits than its factorization.

102739740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712341 (or 1712339 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 102739740 is about 10136.0613652444. The cubic root of 102739740 is about 468.3596658094.

The spelling of 102739740 in words is "one hundred two million, seven hundred thirty-nine thousand, seven hundred forty".