72853751 has 8 divisors (see below), whose sum is σ = 75352704. Its totient is φ = 70364160.

The previous prime is 72853667. The next prime is 72853757. The reversal of 72853751 is 15735827.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72853751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72853757) 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, 15851 + ... + 19923.

It is an arithmetic number, because the mean of its divisors is an integer number (9419088).

Almost surely, 2^72853751 is an apocalyptic number.

72853751 is a deficient number, since it is larger than the sum of its proper divisors (2498953).

72853751 is a wasteful number, since it uses less digits than its factorization.

72853751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4681.

The product of its digits is 58800, while the sum is 38.

The square root of 72853751 is about 8535.4408790642. The cubic root of 72853751 is about 417.6546352496.

The spelling of 72853751 in words is "seventy-two million, eight hundred fifty-three thousand, seven hundred fifty-one".