84213733 has 16 divisors (see below), whose sum is σ = 91266480. Its totient is φ = 77683200.

The previous prime is 84213721. The next prime is 84213761. The reversal of 84213733 is 33731248.

It can be written as a sum of positive squares in 8 ways, for example, as 2184484 + 82029249 = 1478^2 + 9057^2 .

It is not a de Polignac number, because 84213733 - 2²¹ = 82116581 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84213695 and 84213704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84213793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299553 + ... + 299833.

It is an arithmetic number, because the mean of its divisors is an integer number (5704155).

Almost surely, 2^84213733 is an apocalyptic number.

It is an amenable number.

84213733 is a deficient number, since it is larger than the sum of its proper divisors (7052747).

84213733 is an equidigital number, since it uses as much as digits as its factorization.

84213733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393 (or 359 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 84213733 is about 9176.8040733144. The cubic root of 84213733 is about 438.3230469169.

The spelling of 84213733 in words is "eighty-four million, two hundred thirteen thousand, seven hundred thirty-three".