4612721432 has 32 divisors (see below), whose sum is σ = 9453315600. Its totient is φ = 2092646400.

The previous prime is 4612721383. The next prime is 4612721437. The reversal of 4612721432 is 2341272164.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4612721437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4457 + ... + 96152.

Almost surely, 2^4612721432 is an apocalyptic number.

It is an amenable number.

4612721432 is an abundant number, since it is smaller than the sum of its proper divisors (4840594168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4612721432 is a wasteful number, since it uses less digits than its factorization.

4612721432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101147 (or 101143 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 4612721432 is about 67917.0187213779. The cubic root of 4612721432 is about 1664.6352078622.

Adding to 4612721432 its reverse (2341272164), we get a palindrome (6953993596).

The spelling of 4612721432 in words is "four billion, six hundred twelve million, seven hundred twenty-one thousand, four hundred thirty-two".