102644734 has 16 divisors (see below), whose sum is σ = 158969808. Its totient is φ = 49669632.

The previous prime is 102644701. The next prime is 102644743. The reversal of 102644734 is 437446201.

It is a junction number, because it is equal to n+sod(n) for n = 102644696 and 102644705.

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, 10689 + ... + 17875.

It is an arithmetic number, because the mean of its divisors is an integer number (9935613).

Almost surely, 2^102644734 is an apocalyptic number.

102644734 is a deficient number, since it is larger than the sum of its proper divisors (56325074).

102644734 is a wasteful number, since it uses less digits than its factorization.

102644734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7419.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 102644734 is about 10131.3737469309. The cubic root of 102644734 is about 468.2152533316.

The spelling of 102644734 in words is "one hundred two million, six hundred forty-four thousand, seven hundred thirty-four".