72250635 has 32 divisors (see below), whose sum is σ = 123264000. Its totient is φ = 36032256.

The previous prime is 72250627. The next prime is 72250637. The reversal of 72250635 is 53605227.

It is not a de Polignac number, because 72250635 - 2³ = 72250627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72250637) 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 31 ways as a sum of consecutive naturals, for example, 20911 + ... + 24119.

It is an arithmetic number, because the mean of its divisors is an integer number (3852000).

Almost surely, 2^72250635 is an apocalyptic number.

72250635 is a deficient number, since it is larger than the sum of its proper divisors (51013365).

72250635 is a wasteful number, since it uses less digits than its factorization.

72250635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3315.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 72250635 is about 8500.0373528591. The cubic root of 72250635 is about 416.4989294610.

The spelling of 72250635 in words is "seventy-two million, two hundred fifty thousand, six hundred thirty-five".