457681772 has 6 divisors (see below), whose sum is σ = 800943108. Its totient is φ = 228840884.

The previous prime is 457681771. The next prime is 457681787. The reversal of 457681772 is 277186754.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (457681771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57210218 + ... + 57210225.

It is an arithmetic number, because the mean of its divisors is an integer number (133490518).

Almost surely, 2^457681772 is an apocalyptic number.

It is an amenable number.

457681772 is a deficient number, since it is larger than the sum of its proper divisors (343261336).

457681772 is a wasteful number, since it uses less digits than its factorization.

457681772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114420447 (or 114420445 counting only the distinct ones).

The product of its digits is 658560, while the sum is 47.

The square root of 457681772 is about 21393.4983581461. The cubic root of 457681772 is about 770.6453082559.

The spelling of 457681772 in words is "four hundred fifty-seven million, six hundred eighty-one thousand, seven hundred seventy-two".