102745733 has 4 divisors (see below), whose sum is σ = 104192928. Its totient is φ = 101298540.

The previous prime is 102745703. The next prime is 102745751. The reversal of 102745733 is 337547201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 337547201 = 59 ⋅5721139.

It is not a de Polignac number, because 102745733 - 2⁸ = 102745477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102745733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102745703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723491 + ... + 723632.

It is an arithmetic number, because the mean of its divisors is an integer number (26048232).

Almost surely, 2^102745733 is an apocalyptic number.

It is an amenable number.

102745733 is a deficient number, since it is larger than the sum of its proper divisors (1447195).

102745733 is an equidigital number, since it uses as much as digits as its factorization.

102745733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447194.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 102745733 is about 10136.3569885832. The cubic root of 102745733 is about 468.3687723957.

The spelling of 102745733 in words is "one hundred two million, seven hundred forty-five thousand, seven hundred thirty-three".