72500050 has 48 divisors (see below), whose sum is σ = 154811520. Its totient is φ = 24744960.

The previous prime is 72500033. The next prime is 72500059. The reversal of 72500050 is 5000527.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (72500059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125362 + ... + 125938.

It is an arithmetic number, because the mean of its divisors is an integer number (3225240).

Almost surely, 2^72500050 is an apocalyptic number.

72500050 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

72500050 is an abundant number, since it is smaller than the sum of its proper divisors (82311470).

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

72500050 is a wasteful number, since it uses less digits than its factorization.

72500050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955 (or 950 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 19.

The square root of 72500050 is about 8514.6961190638. The cubic root of 72500050 is about 416.9776416270.

Adding to 72500050 its reverse (5000527), we get a palindrome (77500577).

The spelling of 72500050 in words is "seventy-two million, five hundred thousand, fifty".