72063587 has 2 divisors, whose sum is σ = 72063588. Its totient is φ = 72063586.

The previous prime is 72063583. The next prime is 72063611. The reversal of 72063587 is 78536027.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72063587 - 2² = 72063583 is a prime.

It is a super-3 number, since 3×72063587³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72063587.

It is not a weakly prime, because it can be changed into another prime (72063581) 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, 36031793 + 36031794.

It is an arithmetic number, because the mean of its divisors is an integer number (36031794).

Almost surely, 2^72063587 is an apocalyptic number.

72063587 is a deficient number, since it is larger than the sum of its proper divisors (1).

72063587 is an equidigital number, since it uses as much as digits as its factorization.

72063587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 72063587 is about 8489.0274472403. The cubic root of 72063587 is about 416.1391973623.

The spelling of 72063587 in words is "seventy-two million, sixty-three thousand, five hundred eighty-seven".