72287950 has 48 divisors (see below), whose sum is σ = 154481184. Its totient is φ = 24652800.

The previous prime is 72287933. The next prime is 72287953. The reversal of 72287950 is 5978227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72287953) 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 23 ways as a sum of consecutive naturals, for example, 83922 + ... + 84778.

It is an arithmetic number, because the mean of its divisors is an integer number (3218358).

Almost surely, 2^72287950 is an apocalyptic number.

72287950 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

72287950 is an abundant number, since it is smaller than the sum of its proper divisors (82193234).

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

72287950 is a wasteful number, since it uses less digits than its factorization.

72287950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117 (or 1112 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 72287950 is about 8502.2320598770. The cubic root of 72287950 is about 416.5706196394.

It can be divided in two parts, 72287 and 950, that added together give a palindrome (73237).

The spelling of 72287950 in words is "seventy-two million, two hundred eighty-seven thousand, nine hundred fifty".