457272690 has 64 divisors (see below), whose sum is σ = 1257209856. Its totient is φ = 104271552.

The previous prime is 457272689. The next prime is 457272703. The reversal of 457272690 is 96272754.

It is a super-2 number, since 2×457272690² = 418196626039672200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94879 + ... + 99581.

It is an arithmetic number, because the mean of its divisors is an integer number (19643904).

Almost surely, 2^457272690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 457272690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (628604928).

457272690 is an abundant number, since it is smaller than the sum of its proper divisors (799937166).

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

457272690 is a wasteful number, since it uses less digits than its factorization.

457272690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5183.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 457272690 is about 21383.9353253792. The cubic root of 457272690 is about 770.4156355029.

The spelling of 457272690 in words is "four hundred fifty-seven million, two hundred seventy-two thousand, six hundred ninety".