83728562 has 4 divisors (see below), whose sum is σ = 125592846. Its totient is φ = 41864280.

The previous prime is 83728549. The next prime is 83728577. The reversal of 83728562 is 26582738.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 54449641 + 29278921 = 7379^2 + 5411^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20932139 + ... + 20932142.

Almost surely, 2^83728562 is an apocalyptic number.

83728562 is a deficient number, since it is larger than the sum of its proper divisors (41864284).

83728562 is a wasteful number, since it uses less digits than its factorization.

83728562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41864283.

The product of its digits is 161280, while the sum is 41.

The square root of 83728562 is about 9150.3312508346. The cubic root of 83728562 is about 437.4796716541.

The spelling of 83728562 in words is "eighty-three million, seven hundred twenty-eight thousand, five hundred sixty-two".