742408328 has 32 divisors (see below), whose sum is σ = 1418796000. Its totient is φ = 364091520.

The previous prime is 742408301. The next prime is 742408339. The reversal of 742408328 is 823804247.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 742408291 and 742408300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244403 + ... + 247421.

It is an arithmetic number, because the mean of its divisors is an integer number (44337375).

Almost surely, 2^742408328 is an apocalyptic number.

It is an amenable number.

742408328 is a deficient number, since it is larger than the sum of its proper divisors (676387672).

742408328 is a wasteful number, since it uses less digits than its factorization.

742408328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3605 (or 3601 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 742408328 is about 27247.1710091158. The cubic root of 742408328 is about 905.4843425540.

The spelling of 742408328 in words is "seven hundred forty-two million, four hundred eight thousand, three hundred twenty-eight".