83273650 has 36 divisors (see below), whose sum is σ = 164525742. Its totient is φ = 31249920.

The previous prime is 83273623. The next prime is 83273677. The reversal of 83273650 is 5637238.

It is an interprime number because it is at equal distance from previous prime (83273623) and next prime (83273677).

It can be written as a sum of positive squares in 9 ways, for example, as 7601049 + 75672601 = 2757^2 + 8699^2 .

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 265894 + ... + 266206.

Almost surely, 2^83273650 is an apocalyptic number.

83273650 is a deficient number, since it is larger than the sum of its proper divisors (81252092).

83273650 is a wasteful number, since it uses less digits than its factorization.

83273650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 83273650 is about 9125.4397154329. The cubic root of 83273650 is about 436.6859310758.

Multiplying 83273650 by its sum of digits (34), we get a square (2831304100 = 53210²).

83273650 divided by its sum of digits (34) gives a square (2449225 = 1565²).

The spelling of 83273650 in words is "eighty-three million, two hundred seventy-three thousand, six hundred fifty".