249766572 has 24 divisors (see below), whose sum is σ = 635769792. Its totient is φ = 75686800.

The previous prime is 249766541. The next prime is 249766579. The reversal of 249766572 is 275667942.

249766572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (249766579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 945954 + ... + 946217.

It is an arithmetic number, because the mean of its divisors is an integer number (26490408).

Almost surely, 2^249766572 is an apocalyptic number.

249766572 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

249766572 is an abundant number, since it is smaller than the sum of its proper divisors (386003220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

249766572 is a wasteful number, since it uses less digits than its factorization.

249766572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892189 (or 1892187 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 48.

The square root of 249766572 is about 15804.0049354586. The cubic root of 249766572 is about 629.7643966584.

The spelling of 249766572 in words is "two hundred forty-nine million, seven hundred sixty-six thousand, five hundred seventy-two".