72335897 has 8 divisors (see below), whose sum is σ = 76230720. Its totient is φ = 68503600.

The previous prime is 72335881. The next prime is 72335917. The reversal of 72335897 is 79853327.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72335897 - 2⁴ = 72335881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72335807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13247 + ... + 17892.

It is an arithmetic number, because the mean of its divisors is an integer number (9528840).

Almost surely, 2^72335897 is an apocalyptic number.

It is an amenable number.

72335897 is a deficient number, since it is larger than the sum of its proper divisors (3894823).

72335897 is a wasteful number, since it uses less digits than its factorization.

72335897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31263.

The product of its digits is 317520, while the sum is 44.

The square root of 72335897 is about 8505.0512638079. The cubic root of 72335897 is about 416.6626999800.

The spelling of 72335897 in words is "seventy-two million, three hundred thirty-five thousand, eight hundred ninety-seven".