72431050 has 24 divisors (see below), whose sum is σ = 142648236. Its totient is φ = 27267840.

The previous prime is 72430997. The next prime is 72431057. The reversal of 72431050 is 5013427.

It can be written as a sum of positive squares in 6 ways, for example, as 34939921 + 37491129 = 5911^2 + 6123^2 .

It is not an unprimeable number, because it can be changed into a prime (72431057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41757 + ... + 43456.

Almost surely, 2^72431050 is an apocalyptic number.

72431050 is a deficient number, since it is larger than the sum of its proper divisors (70217186).

72431050 is a wasteful number, since it uses less digits than its factorization.

72431050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85242 (or 85237 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 72431050 is about 8510.6433364347. The cubic root of 72431050 is about 416.8453171684.

Adding to 72431050 its reverse (5013427), we get a palindrome (77444477).

The spelling of 72431050 in words is "seventy-two million, four hundred thirty-one thousand, fifty".