72859741 has 2 divisors, whose sum is σ = 72859742. Its totient is φ = 72859740.

The previous prime is 72859727. The next prime is 72859783. The reversal of 72859741 is 14795827.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67815225 + 5044516 = 8235^2 + 2246^2 .

It is a cyclic number.

It is not a de Polignac number, because 72859741 - 2⁷ = 72859613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72859141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36429870 + 36429871.

It is an arithmetic number, because the mean of its divisors is an integer number (36429871).

Almost surely, 2^72859741 is an apocalyptic number.

It is an amenable number.

72859741 is a deficient number, since it is larger than the sum of its proper divisors (1).

72859741 is an equidigital number, since it uses as much as digits as its factorization.

72859741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 43.

The square root of 72859741 is about 8535.7917617524. The cubic root of 72859741 is about 417.6660813897. Note that the first 3 decimals are identical.

The spelling of 72859741 in words is "seventy-two million, eight hundred fifty-nine thousand, seven hundred forty-one".