72398853 has 20 divisors (see below), whose sum is σ = 108992928. Its totient is φ = 47890440.

The previous prime is 72398849. The next prime is 72398861. The reversal of 72398853 is 35889327.

It is not a de Polignac number, because 72398853 - 2² = 72398849 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 72398799 and 72398808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72398863) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7200 + ... + 14022.

Almost surely, 2^72398853 is an apocalyptic number.

It is an amenable number.

72398853 is a deficient number, since it is larger than the sum of its proper divisors (36594075).

72398853 is a wasteful number, since it uses less digits than its factorization.

72398853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6966 (or 6957 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 72398853 is about 8508.7515535477. The cubic root of 72398853 is about 416.7835427507.

The spelling of 72398853 in words is "seventy-two million, three hundred ninety-eight thousand, eight hundred fifty-three".