463721457 has 8 divisors (see below), whose sum is σ = 621712000. Its totient is φ = 307439280.

The previous prime is 463721443. The next prime is 463721459. The reversal of 463721457 is 754127364.

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

It is not a de Polignac number, because 463721457 - 2¹⁸ = 463459313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (463721459) 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, 426457 + ... + 427542.

It is an arithmetic number, because the mean of its divisors is an integer number (77714000).

Almost surely, 2^463721457 is an apocalyptic number.

It is an amenable number.

463721457 is a deficient number, since it is larger than the sum of its proper divisors (157990543).

463721457 is a wasteful number, since it uses less digits than its factorization.

463721457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854183.

The product of its digits is 141120, while the sum is 39.

The square root of 463721457 is about 21534.1927408482. The cubic root of 463721457 is about 774.0203825198.

The spelling of 463721457 in words is "four hundred sixty-three million, seven hundred twenty-one thousand, four hundred fifty-seven".