732429138 has 32 divisors (see below), whose sum is σ = 1762237440. Its totient is φ = 198251280.

The previous prime is 732429121. The next prime is 732429143. The reversal of 732429138 is 831924237.

It is a super-3 number, since 3×732429138³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 732429096 and 732429105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458118 + ... + 459713.

It is an arithmetic number, because the mean of its divisors is an integer number (55069920).

Almost surely, 2^732429138 is an apocalyptic number.

732429138 is an abundant number, since it is smaller than the sum of its proper divisors (1029808302).

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

732429138 is a wasteful number, since it uses less digits than its factorization.

732429138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917862.

The product of its digits is 72576, while the sum is 39.

The square root of 732429138 is about 27063.4280533712. The cubic root of 732429138 is about 901.4089610045.

The spelling of 732429138 in words is "seven hundred thirty-two million, four hundred twenty-nine thousand, one hundred thirty-eight".