481736421 has 12 divisors (see below), whose sum is σ = 699142080. Its totient is φ = 319634280.

The previous prime is 481736401. The next prime is 481736443. The reversal of 481736421 is 124637184.

481736421 is a `hidden beast` number, since 4 + 8 + 1 + 7 + 3 + 642 + 1 = 666.

It is not a de Polignac number, because 481736421 - 2⁵ = 481736389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481736401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124941 + ... + 128738.

It is an arithmetic number, because the mean of its divisors is an integer number (58261840).

Almost surely, 2^481736421 is an apocalyptic number.

It is an amenable number.

481736421 is a deficient number, since it is larger than the sum of its proper divisors (217405659).

481736421 is a wasteful number, since it uses less digits than its factorization.

481736421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253896 (or 253893 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 481736421 is about 21948.4947319856. The cubic root of 481736421 is about 783.9165390165.

The spelling of 481736421 in words is "four hundred eighty-one million, seven hundred thirty-six thousand, four hundred twenty-one".