72260489 has 16 divisors (see below), whose sum is σ = 90460800. Its totient is φ = 56281344.

The previous prime is 72260483. The next prime is 72260497. The reversal of 72260489 is 98406227.

It is a de Polignac number, because none of the positive numbers 2^k-72260489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72260483) 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 15 ways as a sum of consecutive naturals, for example, 7019 + ... + 13920.

It is an arithmetic number, because the mean of its divisors is an integer number (5653800).

Almost surely, 2^72260489 is an apocalyptic number.

It is an amenable number.

72260489 is a deficient number, since it is larger than the sum of its proper divisors (18200311).

72260489 is a wasteful number, since it uses less digits than its factorization.

72260489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20992.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 72260489 is about 8500.6169776082. The cubic root of 72260489 is about 416.5178635224.

The spelling of 72260489 in words is "seventy-two million, two hundred sixty thousand, four hundred eighty-nine".