72855741 has 8 divisors (see below), whose sum is σ = 111018304. Its totient is φ = 41631840.

The previous prime is 72855721. The next prime is 72855749. The reversal of 72855741 is 14755827.

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

It is not a de Polignac number, because 72855741 - 2⁹ = 72855229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 72855741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72855749) 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, 1734640 + ... + 1734681.

It is an arithmetic number, because the mean of its divisors is an integer number (13877288).

Almost surely, 2^72855741 is an apocalyptic number.

It is an amenable number.

72855741 is a deficient number, since it is larger than the sum of its proper divisors (38162563).

72855741 is a wasteful number, since it uses less digits than its factorization.

72855741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3469331.

The product of its digits is 78400, while the sum is 39.

The square root of 72855741 is about 8535.5574510397. The cubic root of 72855741 is about 417.6584379601.

The spelling of 72855741 in words is "seventy-two million, eight hundred fifty-five thousand, seven hundred forty-one".