72190752 has 24 divisors (see below), whose sum is σ = 189500976. Its totient is φ = 24063552.

The previous prime is 72190751. The next prime is 72190763. The reversal of 72190752 is 25709127.

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

It is not an unprimeable number, because it can be changed into a prime (72190751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375898 + ... + 376089.

It is an arithmetic number, because the mean of its divisors is an integer number (7895874).

Almost surely, 2^72190752 is an apocalyptic number.

It is an amenable number.

72190752 is an abundant number, since it is smaller than the sum of its proper divisors (117310224).

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

72190752 is a wasteful number, since it uses less digits than its factorization.

72190752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752000 (or 751992 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 72190752 is about 8496.5141087389. The cubic root of 72190752 is about 416.3838296690.

Adding to 72190752 its reverse (25709127), we get a palindrome (97899879).

The spelling of 72190752 in words is "seventy-two million, one hundred ninety thousand, seven hundred fifty-two".