249071674 has 8 divisors (see below), whose sum is σ = 378336960. Its totient is φ = 122959356.

The previous prime is 249071663. The next prime is 249071677. The reversal of 249071674 is 476170942.

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

It is not an unprimeable number, because it can be changed into a prime (249071677) 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 3 ways as a sum of consecutive naturals, for example, 788044 + ... + 788359.

It is an arithmetic number, because the mean of its divisors is an integer number (47292120).

Almost surely, 2^249071674 is an apocalyptic number.

249071674 is a deficient number, since it is larger than the sum of its proper divisors (129265286).

249071674 is a wasteful number, since it uses less digits than its factorization.

249071674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576484.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 249071674 is about 15782.0047522487. The cubic root of 249071674 is about 629.1798128290.

The spelling of 249071674 in words is "two hundred forty-nine million, seventy-one thousand, six hundred seventy-four".