102726745 has 32 divisors (see below), whose sum is σ = 139026816. Its totient is φ = 72230400.

The previous prime is 102726727. The next prime is 102726769. The reversal of 102726745 is 547627201.

It is not a de Polignac number, because 102726745 - 2⁵ = 102726713 is a prime.

It is a super-3 number, since 3×102726745³ (a number of 25 digits) contains 333 as substring.

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 102726745.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224557 + ... + 225013.

It is an arithmetic number, because the mean of its divisors is an integer number (4344588).

Almost surely, 2^102726745 is an apocalyptic number.

It is an amenable number.

102726745 is a deficient number, since it is larger than the sum of its proper divisors (36300071).

102726745 is a wasteful number, since it uses less digits than its factorization.

102726745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 102726745 is about 10135.4203168887. The cubic root of 102726745 is about 468.3399182074.

It can be divided in two parts, 1027 and 26745, that added together give a palindrome (27772).

The spelling of 102726745 in words is "one hundred two million, seven hundred twenty-six thousand, seven hundred forty-five".