84722748 has 144 divisors (see below), whose sum is σ = 237740160. Its totient is φ = 23379840.

The previous prime is 84722723. The next prime is 84722789.

84722748 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 in 47 ways as a sum of consecutive naturals, for example, 1020715 + ... + 1020797.

Almost surely, 2^84722748 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84722748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118870080).

84722748 is an abundant number, since it is smaller than the sum of its proper divisors (153017412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84722748 is a wasteful number, since it uses less digits than its factorization.

84722748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 155 counting only the distinct ones).

The product of its digits is 200704, while the sum is 42.

The square root of 84722748 is about 9204.4960752884. The cubic root of 84722748 is about 439.2043955950.

The spelling of 84722748 in words is "eighty-four million, seven hundred twenty-two thousand, seven hundred forty-eight".