72041773 has 8 divisors (see below), whose sum is σ = 76449600. Its totient is φ = 67740288.

The previous prime is 72041743. The next prime is 72041777. The reversal of 72041773 is 37714027.

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-72041773 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 (72041777) 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, 25188 + ... + 27901.

It is an arithmetic number, because the mean of its divisors is an integer number (9556200).

Almost surely, 2^72041773 is an apocalyptic number.

It is an amenable number.

72041773 is a deficient number, since it is larger than the sum of its proper divisors (4407827).

72041773 is a wasteful number, since it uses less digits than its factorization.

72041773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53171.

The product of its (nonzero) digits is 8232, while the sum is 31.

The square root of 72041773 is about 8487.7425149447. The cubic root of 72041773 is about 416.0972040018.

The spelling of 72041773 in words is "seventy-two million, forty-one thousand, seven hundred seventy-three".