102740475 has 24 divisors (see below), whose sum is σ = 175725360. Its totient is φ = 52904320.

The previous prime is 102740441. The next prime is 102740483. The reversal of 102740475 is 574047201.

It is not a de Polignac number, because 102740475 - 2⁹ = 102739963 is a prime.

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, 21444 + ... + 25793.

It is an arithmetic number, because the mean of its divisors is an integer number (7321890).

Almost surely, 2^102740475 is an apocalyptic number.

102740475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102740475 is a deficient number, since it is larger than the sum of its proper divisors (72984885).

102740475 is a wasteful number, since it uses less digits than its factorization.

102740475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47279 (or 47274 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 102740475 is about 10136.0976218661. The cubic root of 102740475 is about 468.3607826883.

Adding to 102740475 its reverse (574047201), we get a palindrome (676787676).

The spelling of 102740475 in words is "one hundred two million, seven hundred forty thousand, four hundred seventy-five".