72883477 has 2 divisors, whose sum is σ = 72883478. Its totient is φ = 72883476.

The previous prime is 72883469. The next prime is 72883493. The reversal of 72883477 is 77438827.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72352036 + 531441 = 8506^2 + 729^2 .

It is a cyclic number.

It is not a de Polignac number, because 72883477 - 2³ = 72883469 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72883277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36441738 + 36441739.

It is an arithmetic number, because the mean of its divisors is an integer number (36441739).

Almost surely, 2^72883477 is an apocalyptic number.

It is an amenable number.

72883477 is a deficient number, since it is larger than the sum of its proper divisors (1).

72883477 is an equidigital number, since it uses as much as digits as its factorization.

72883477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 526848, while the sum is 46.

The square root of 72883477 is about 8537.1820292178. The cubic root of 72883477 is about 417.7114317464.

The spelling of 72883477 in words is "seventy-two million, eight hundred eighty-three thousand, four hundred seventy-seven".