732751740 has 72 divisors (see below), whose sum is σ = 2540210400. Its totient is φ = 167485824.

The previous prime is 732751693. The next prime is 732751741. The reversal of 732751740 is 47157237.

It is a super-2 number, since 2×732751740² = 1073850224946055200, which contains 22 as substring.

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 = 732751695 and 732751704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (732751741) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 289515 + ... + 292034.

It is an arithmetic number, because the mean of its divisors is an integer number (35280700).

Almost surely, 2^732751740 is an apocalyptic number.

732751740 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

732751740 is an abundant number, since it is smaller than the sum of its proper divisors (1807458660).

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

732751740 is a wasteful number, since it uses less digits than its factorization.

732751740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581571 (or 581566 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 732751740 is about 27069.3875069238. The cubic root of 732751740 is about 901.5412849090.

The spelling of 732751740 in words is "seven hundred thirty-two million, seven hundred fifty-one thousand, seven hundred forty".