464734021 has 16 divisors (see below), whose sum is σ = 491212800. Its totient is φ = 438818688.

The previous prime is 464734013. The next prime is 464734069. The reversal of 464734021 is 120437464.

It is a cyclic number.

It is not a de Polignac number, because 464734021 - 2³ = 464734013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464734001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1136065 + ... + 1136473.

It is an arithmetic number, because the mean of its divisors is an integer number (30700800).

Almost surely, 2^464734021 is an apocalyptic number.

It is an amenable number.

464734021 is a deficient number, since it is larger than the sum of its proper divisors (26478779).

464734021 is a wasteful number, since it uses less digits than its factorization.

464734021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 464734021 is about 21557.6905302957. The cubic root of 464734021 is about 774.5833464874.

The spelling of 464734021 in words is "four hundred sixty-four million, seven hundred thirty-four thousand, twenty-one".