72935813 has 8 divisors (see below), whose sum is σ = 77114400. Its totient is φ = 68791248.

The previous prime is 72935803. The next prime is 72935873. The reversal of 72935813 is 31853927.

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

It is not a de Polignac number, because 72935813 - 2¹⁰ = 72934789 is a prime.

It is a super-3 number, since 3×72935813³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72935803) 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, 4031 + ... + 12732.

It is an arithmetic number, because the mean of its divisors is an integer number (9639300).

Almost surely, 2^72935813 is an apocalyptic number.

It is an amenable number.

72935813 is a deficient number, since it is larger than the sum of its proper divisors (4178587).

72935813 is a wasteful number, since it uses less digits than its factorization.

72935813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17011.

The product of its digits is 45360, while the sum is 38.

The square root of 72935813 is about 8540.2466592014. The cubic root of 72935813 is about 417.8113909131.

The spelling of 72935813 in words is "seventy-two million, nine hundred thirty-five thousand, eight hundred thirteen".