732121006628 has 24 divisors (see below), whose sum is σ = 1399305196800. Its totient is φ = 332396647520.

The previous prime is 732121006613. The next prime is 732121006651. The reversal of 732121006628 is 826600121237.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 732121006591 and 732121006600.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9602303 + ... + 9678246.

It is an arithmetic number, because the mean of its divisors is an integer number (58304383200).

Almost surely, 2^732121006628 is an apocalyptic number.

It is an amenable number.

732121006628 is a deficient number, since it is larger than the sum of its proper divisors (667184190172).

732121006628 is a wasteful number, since it uses less digits than its factorization.

732121006628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19281427 (or 19281425 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 732121006628 in words is "seven hundred thirty-two billion, one hundred twenty-one million, six thousand, six hundred twenty-eight".