83275749 has 8 divisors (see below), whose sum is σ = 123371520. Its totient is φ = 55517148.

The previous prime is 83275723. The next prime is 83275763. The reversal of 83275749 is 94757238.

It is not a de Polignac number, because 83275749 - 2²¹ = 81178597 is a prime.

It is a super-2 number, since 2×83275749² = 13869700743022002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83275949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1542117 + ... + 1542170.

It is an arithmetic number, because the mean of its divisors is an integer number (15421440).

Almost surely, 2^83275749 is an apocalyptic number.

It is an amenable number.

83275749 is a deficient number, since it is larger than the sum of its proper divisors (40095771).

83275749 is a wasteful number, since it uses less digits than its factorization.

83275749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3084296 (or 3084290 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 83275749 is about 9125.5547228648. The cubic root of 83275749 is about 436.6896000879.

The spelling of 83275749 in words is "eighty-three million, two hundred seventy-five thousand, seven hundred forty-nine".