464207681 has 8 divisors (see below), whose sum is σ = 533488320. Its totient is φ = 395668368.

The previous prime is 464207647. The next prime is 464207687. The reversal of 464207681 is 186702464.

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 464207681 - 2¹⁰ = 464206657 is a prime.

It is a super-2 number, since 2×464207681² = 430977542198795522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (464207687) 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 in 7 ways as a sum of consecutive naturals, for example, 183986 + ... + 186491.

It is an arithmetic number, because the mean of its divisors is an integer number (66686040).

Almost surely, 2^464207681 is an apocalyptic number.

It is an amenable number.

464207681 is a deficient number, since it is larger than the sum of its proper divisors (69280639).

464207681 is a wasteful number, since it uses less digits than its factorization.

464207681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370663.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 464207681 is about 21545.4793634303. The cubic root of 464207681 is about 774.2908148528.

The spelling of 464207681 in words is "four hundred sixty-four million, two hundred seven thousand, six hundred eighty-one".