72250752 has 64 divisors (see below), whose sum is σ = 219340800. Its totient is φ = 20642304.

The previous prime is 72250727. The next prime is 72250769. The reversal of 72250752 is 25705227.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10752 + ... + 16127.

It is an arithmetic number, because the mean of its divisors is an integer number (3427200).

Almost surely, 2^72250752 is an apocalyptic number.

It is an amenable number.

72250752 is an abundant number, since it is smaller than the sum of its proper divisors (147090048).

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

72250752 is a wasteful number, since it uses less digits than its factorization.

72250752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26903 (or 26891 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 72250752 is about 8500.0442351790. The cubic root of 72250752 is about 416.4991542818.

Adding to 72250752 its reverse (25705227), we get a palindrome (97955979).

The spelling of 72250752 in words is "seventy-two million, two hundred fifty thousand, seven hundred fifty-two".