249102734 has 16 divisors (see below), whose sum is σ = 398487600. Its totient is φ = 116379264.

The previous prime is 249102731. The next prime is 249102739. The reversal of 249102734 is 437201942.

249102734 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 249102734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249102731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21629 + ... + 31080.

It is an arithmetic number, because the mean of its divisors is an integer number (24905475).

Almost surely, 2^249102734 is an apocalyptic number.

249102734 is a deficient number, since it is larger than the sum of its proper divisors (149384866).

249102734 is a wasteful number, since it uses less digits than its factorization.

249102734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52867.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 249102734 is about 15782.9887537184. The cubic root of 249102734 is about 629.2059652914.

The spelling of 249102734 in words is "two hundred forty-nine million, one hundred two thousand, seven hundred thirty-four".