72935489 has 4 divisors (see below), whose sum is σ = 79566000. Its totient is φ = 66304980.

The previous prime is 72935483. The next prime is 72935501. The reversal of 72935489 is 98453927.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72935489 - 2²⁴ = 56158273 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72935483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3315239 + ... + 3315260.

It is an arithmetic number, because the mean of its divisors is an integer number (19891500).

Almost surely, 2^72935489 is an apocalyptic number.

It is an amenable number.

72935489 is a deficient number, since it is larger than the sum of its proper divisors (6630511).

72935489 is a wasteful number, since it uses less digits than its factorization.

72935489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6630510.

The product of its digits is 544320, while the sum is 47.

The square root of 72935489 is about 8540.2276901731. The cubic root of 72935489 is about 417.8107722362.

The spelling of 72935489 in words is "seventy-two million, nine hundred thirty-five thousand, four hundred eighty-nine".