457274642 has 16 divisors (see below), whose sum is σ = 765670752. Its totient is φ = 203017920.

The previous prime is 457274641. The next prime is 457274651. The reversal of 457274642 is 246472754.

It is a self number, because there is not a number n which added to its sum of digits gives 457274642.

It is not an unprimeable number, because it can be changed into a prime (457274641) 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, 240743 + ... + 242634.

It is an arithmetic number, because the mean of its divisors is an integer number (47854422).

Almost surely, 2^457274642 is an apocalyptic number.

457274642 is a deficient number, since it is larger than the sum of its proper divisors (308396110).

457274642 is a wasteful number, since it uses less digits than its factorization.

457274642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483433.

The product of its digits is 376320, while the sum is 41.

The square root of 457274642 is about 21383.9809670697. The cubic root of 457274642 is about 770.4167317483.

The spelling of 457274642 in words is "four hundred fifty-seven million, two hundred seventy-four thousand, six hundred forty-two".