732542940 has 168 divisors, whose sum is σ = 2357732160. Its totient is φ = 191009664.

The previous prime is 732542911. The next prime is 732542999. The reversal of 732542940 is 49245237.

732542940 is a `hidden beast` number, since 73 + 2 + 542 + 9 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 732542895 and 732542904.

It is a congruent number.

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 55 ways as a sum of consecutive naturals, for example, 684726 + ... + 685794.

It is an arithmetic number, because the mean of its divisors is an integer number (14034120).

Almost surely, 2^732542940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 732542940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1178866080).

732542940 is an abundant number, since it is smaller than the sum of its proper divisors (1625189220).

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

732542940 is a wasteful number, since it uses less digits than its factorization.

732542940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143 (or 1126 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 732542940 is about 27065.5304769738. The cubic root of 732542940 is about 901.4556443967.

The spelling of 732542940 in words is "seven hundred thirty-two million, five hundred forty-two thousand, nine hundred forty".