72759653 has 2 divisors, whose sum is σ = 72759654. Its totient is φ = 72759652.

The previous prime is 72759623. The next prime is 72759671. The reversal of 72759653 is 35695727.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60808804 + 11950849 = 7798^2 + 3457^2 .

It is a cyclic number.

It is not a de Polignac number, because 72759653 - 2¹⁶ = 72694117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72759613) 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, 36379826 + 36379827.

It is an arithmetic number, because the mean of its divisors is an integer number (36379827).

Almost surely, 2^72759653 is an apocalyptic number.

It is an amenable number.

72759653 is a deficient number, since it is larger than the sum of its proper divisors (1).

72759653 is an equidigital number, since it uses as much as digits as its factorization.

72759653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 396900, while the sum is 44.

The square root of 72759653 is about 8529.9269047278. The cubic root of 72759653 is about 417.4747433536.

The spelling of 72759653 in words is "seventy-two million, seven hundred fifty-nine thousand, six hundred fifty-three".