84533749 has 2 divisors, whose sum is σ = 84533750. Its totient is φ = 84533748.

The previous prime is 84533693. The next prime is 84533767. The reversal of 84533749 is 94733548.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84511249 + 22500 = 9193^2 + 150^2 .

It is a cyclic number.

It is not a de Polignac number, because 84533749 - 2⁹ = 84533237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84533149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42266874 + 42266875.

It is an arithmetic number, because the mean of its divisors is an integer number (42266875).

Almost surely, 2^84533749 is an apocalyptic number.

It is an amenable number.

84533749 is a deficient number, since it is larger than the sum of its proper divisors (1).

84533749 is an equidigital number, since it uses as much as digits as its factorization.

84533749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 43.

The square root of 84533749 is about 9194.2236757651. The cubic root of 84533749 is about 438.8775609270.

The spelling of 84533749 in words is "eighty-four million, five hundred thirty-three thousand, seven hundred forty-nine".