464702421 has 4 divisors (see below), whose sum is σ = 619603232. Its totient is φ = 309801612.

The previous prime is 464702401. The next prime is 464702461. The reversal of 464702421 is 124207464.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 464702421 - 2⁵ = 464702389 is a prime.

It is a super-2 number, since 2×464702421² = 431896680166522482, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464702401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77450401 + ... + 77450406.

It is an arithmetic number, because the mean of its divisors is an integer number (154900808).

Almost surely, 2^464702421 is an apocalyptic number.

It is an amenable number.

464702421 is a deficient number, since it is larger than the sum of its proper divisors (154900811).

464702421 is a wasteful number, since it uses less digits than its factorization.

464702421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154900810.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 464702421 is about 21556.9576007376. The cubic root of 464702421 is about 774.5657899300.

Adding to 464702421 its reverse (124207464), we get a palindrome (588909885).

The spelling of 464702421 in words is "four hundred sixty-four million, seven hundred two thousand, four hundred twenty-one".