72523950 has 48 divisors (see below), whose sum is σ = 189333120. Its totient is φ = 18321120.

The previous prime is 72523933. The next prime is 72523951. The reversal of 72523950 is 5932527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72523951) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 9874 + ... + 15573.

It is an arithmetic number, because the mean of its divisors is an integer number (3944440).

Almost surely, 2^72523950 is an apocalyptic number.

72523950 is an abundant number, since it is smaller than the sum of its proper divisors (116809170).

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

72523950 is a wasteful number, since it uses less digits than its factorization.

72523950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25481 (or 25476 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 72523950 is about 8516.0994592595. The cubic root of 72523950 is about 417.0234561736.

The spelling of 72523950 in words is "seventy-two million, five hundred twenty-three thousand, nine hundred fifty".