462721401 has 6 divisors (see below), whose sum is σ = 668375370. Its totient is φ = 308480928.

The previous prime is 462721397. The next prime is 462721433. The reversal of 462721401 is 104127264.

It can be written as a sum of positive squares in only one way, i.e., 403045776 + 59675625 = 20076^2 + 7725^2 .

It is not a de Polignac number, because 462721401 - 2² = 462721397 is a prime.

It is a super-2 number, since 2×462721401² = 428222189886805602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (462721451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25706736 + ... + 25706753.

It is an arithmetic number, because the mean of its divisors is an integer number (111395895).

Almost surely, 2^462721401 is an apocalyptic number.

It is an amenable number.

462721401 is a deficient number, since it is larger than the sum of its proper divisors (205653969).

462721401 is a wasteful number, since it uses less digits than its factorization.

462721401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51413495 (or 51413492 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 462721401 is about 21510.9600204175. The cubic root of 462721401 is about 773.4635677703.

Adding to 462721401 its reverse (104127264), we get a palindrome (566848665).

The spelling of 462721401 in words is "four hundred sixty-two million, seven hundred twenty-one thousand, four hundred one".