83722 has 8 divisors (see below), whose sum is σ = 128772. Its totient is φ = 40800.

The previous prime is 83719. The next prime is 83737. The reversal of 83722 is 22738.

It is a happy number.

83722 is nontrivially palindromic in base 14.

It can be written as a sum of positive squares in 2 ways, for example, as 78961 + 4761 = 281^2 + 69^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 83693 and 83702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429 + ... + 592.

2⁸³⁷²² is an apocalyptic number.

83722 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

83722 is a deficient number, since it is larger than the sum of its proper divisors (45050).

83722 is a wasteful number, since it uses less digits than its factorization.

83722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064.

The product of its digits is 672, while the sum is 22.

The square root of 83722 is about 289.3475418938. The cubic root of 83722 is about 43.7468242593.

The spelling of 83722 in words is "eighty-three thousand, seven hundred twenty-two".