279142374 has 16 divisors (see below), whose sum is σ = 638039808. Its totient is φ = 79754952.

The previous prime is 279142373. The next prime is 279142387. The reversal of 279142374 is 473241972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (279142373) 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, 3323082 + ... + 3323165.

It is an arithmetic number, because the mean of its divisors is an integer number (39877488).

Almost surely, 2^279142374 is an apocalyptic number.

279142374 is an abundant number, since it is smaller than the sum of its proper divisors (358897434).

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

279142374 is a wasteful number, since it uses less digits than its factorization.

279142374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6646259.

The product of its digits is 84672, while the sum is 39.

The square root of 279142374 is about 16707.5543991333. The cubic root of 279142374 is about 653.5446380815.

The spelling of 279142374 in words is "two hundred seventy-nine million, one hundred forty-two thousand, three hundred seventy-four".