83722548 has 96 divisors (see below), whose sum is σ = 246163456. Its totient is φ = 21555072.

The previous prime is 83722547. The next prime is 83722549. The reversal of 83722548 is 84522738.

It is an interprime number because it is at equal distance from previous prime (83722547) and next prime (83722549).

It is a super-2 number, since 2×83722548² = 14018930087224608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83722547) 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 in 31 ways as a sum of consecutive naturals, for example, 46065 + ... + 47847.

Almost surely, 2^83722548 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 83722548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123081728).

83722548 is an abundant number, since it is smaller than the sum of its proper divisors (162440908).

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

83722548 is a wasteful number, since it uses less digits than its factorization.

83722548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853 (or 1851 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 83722548 is about 9150.0026229504. The cubic root of 83722548 is about 437.4691970694.

The spelling of 83722548 in words is "eighty-three million, seven hundred twenty-two thousand, five hundred forty-eight".