732782138 has 16 divisors (see below), whose sum is σ = 1204342560. Its totient is φ = 331626000.

The previous prime is 732782137. The next prime is 732782143. The reversal of 732782138 is 831287237.

It is a junction number, because it is equal to n+sod(n) for n = 732782095 and 732782104.

It is not an unprimeable number, because it can be changed into a prime (732782131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67688 + ... + 77763.

It is an arithmetic number, because the mean of its divisors is an integer number (75271410).

Almost surely, 2^732782138 is an apocalyptic number.

732782138 is a deficient number, since it is larger than the sum of its proper divisors (471560422).

732782138 is a wasteful number, since it uses less digits than its factorization.

732782138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145693.

The product of its digits is 112896, while the sum is 41.

The square root of 732782138 is about 27069.9489840672. The cubic root of 732782138 is about 901.5537514655.

The spelling of 732782138 in words is "seven hundred thirty-two million, seven hundred eighty-two thousand, one hundred thirty-eight".