456269721 has 8 divisors (see below), whose sum is σ = 614045664. Its totient is φ = 301336800.

The previous prime is 456269719. The next prime is 456269753. The reversal of 456269721 is 127962654.

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

It is not a de Polignac number, because 456269721 - 2¹ = 456269719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (456269711) 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, 710380 + ... + 711021.

It is an arithmetic number, because the mean of its divisors is an integer number (76755708).

Almost surely, 2^456269721 is an apocalyptic number.

It is an amenable number.

456269721 is a deficient number, since it is larger than the sum of its proper divisors (157775943).

456269721 is a wasteful number, since it uses less digits than its factorization.

456269721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421511.

The product of its digits is 181440, while the sum is 42.

The square root of 456269721 is about 21360.4709919983. The cubic root of 456269721 is about 769.8519538840.

The spelling of 456269721 in words is "four hundred fifty-six million, two hundred sixty-nine thousand, seven hundred twenty-one".