102740726 has 8 divisors (see below), whose sum is σ = 168121224. Its totient is φ = 46700320.

The previous prime is 102740723. The next prime is 102740773. The reversal of 102740726 is 627047201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102740723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2334995 + ... + 2335038.

It is an arithmetic number, because the mean of its divisors is an integer number (21015153).

Almost surely, 2^102740726 is an apocalyptic number.

102740726 is a deficient number, since it is larger than the sum of its proper divisors (65380498).

102740726 is a wasteful number, since it uses less digits than its factorization.

102740726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4670046.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 102740726 is about 10136.1100033494. The cubic root of 102740726 is about 468.3611640974.

Adding to 102740726 its reverse (627047201), we get a palindrome (729787927).

The spelling of 102740726 in words is "one hundred two million, seven hundred forty thousand, seven hundred twenty-six".