83773730 has 8 divisors (see below), whose sum is σ = 150792732. Its totient is φ = 33509488.

The previous prime is 83773709. The next prime is 83773757. The reversal of 83773730 is 3737738.

It can be written as a sum of positive squares in 2 ways, for example, as 82065481 + 1708249 = 9059^2 + 1307^2 .

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

It is a super-2 number, since 2×83773730² = 14036075676225800, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4188677 + ... + 4188696.

Almost surely, 2^83773730 is an apocalyptic number.

83773730 is a deficient number, since it is larger than the sum of its proper divisors (67019002).

83773730 is a wasteful number, since it uses less digits than its factorization.

83773730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8377380.

The product of its (nonzero) digits is 74088, while the sum is 38.

The square root of 83773730 is about 9152.7990254348. The cubic root of 83773730 is about 437.5583247412.

The spelling of 83773730 in words is "eighty-three million, seven hundred seventy-three thousand, seven hundred thirty".