457272661 has 8 divisors (see below), whose sum is σ = 475630848. Its totient is φ = 439140000.

The previous prime is 457272649. The next prime is 457272689. The reversal of 457272661 is 166272754.

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

It is a cyclic number.

It is not a de Polignac number, because 457272661 - 2⁷ = 457272533 is a prime.

It is a super-3 number, since 3×457272661³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457272961) 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, 52240 + ... + 60361.

It is an arithmetic number, because the mean of its divisors is an integer number (59453856).

Almost surely, 2^457272661 is an apocalyptic number.

It is an amenable number.

457272661 is a deficient number, since it is larger than the sum of its proper divisors (18358187).

457272661 is a wasteful number, since it uses less digits than its factorization.

457272661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112763.

The product of its digits is 141120, while the sum is 40.

The square root of 457272661 is about 21383.9346473001. The cubic root of 457272661 is about 770.4156192165.

The spelling of 457272661 in words is "four hundred fifty-seven million, two hundred seventy-two thousand, six hundred sixty-one".