72751032 has 24 divisors (see below), whose sum is σ = 197034240. Its totient is φ = 24250320.

The previous prime is 72751031. The next prime is 72751037. The reversal of 72751032 is 23015727.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 72750987 and 72751005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72751031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 505144 + ... + 505287.

It is an arithmetic number, because the mean of its divisors is an integer number (8209760).

Almost surely, 2^72751032 is an apocalyptic number.

72751032 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

72751032 is an abundant number, since it is smaller than the sum of its proper divisors (124283208).

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

72751032 is a wasteful number, since it uses less digits than its factorization.

72751032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010443 (or 1010436 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 72751032 is about 8529.4215513128. The cubic root of 72751032 is about 417.4582543987.

Adding to 72751032 its reverse (23015727), we get a palindrome (95766759).

The spelling of 72751032 in words is "seventy-two million, seven hundred fifty-one thousand, thirty-two".