83722004 has 6 divisors (see below), whose sum is σ = 146513514. Its totient is φ = 41861000.

The previous prime is 83721997. The next prime is 83722007. The reversal of 83722004 is 40022738.

It can be written as a sum of positive squares in only one way, i.e., 83685904 + 36100 = 9148^2 + 190^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83722007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10465247 + ... + 10465254.

It is an arithmetic number, because the mean of its divisors is an integer number (24418919).

Almost surely, 2^83722004 is an apocalyptic number.

It is an amenable number.

83722004 is a deficient number, since it is larger than the sum of its proper divisors (62791510).

83722004 is a wasteful number, since it uses less digits than its factorization.

83722004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20930505 (or 20930503 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 83722004 is about 9149.9728961347. The cubic root of 83722004 is about 437.4682495598.

The spelling of 83722004 in words is "eighty-three million, seven hundred twenty-two thousand, four".