83734945 has 16 divisors (see below), whose sum is σ = 121592448. Its totient is φ = 54040320.

The previous prime is 83734943. The next prime is 83734951. The reversal of 83734945 is 54943738.

It is not a de Polignac number, because 83734945 - 2¹ = 83734943 is a prime.

It is a super-3 number, since 3×83734945³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83734943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69771 + ... + 70960.

It is an arithmetic number, because the mean of its divisors is an integer number (7599528).

Almost surely, 2^83734945 is an apocalyptic number.

83734945 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

83734945 is a deficient number, since it is larger than the sum of its proper divisors (37857503).

83734945 is a wasteful number, since it uses less digits than its factorization.

83734945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140760.

The product of its digits is 362880, while the sum is 43.

The square root of 83734945 is about 9150.6800293749. The cubic root of 83734945 is about 437.4907883775.

The spelling of 83734945 in words is "eighty-three million, seven hundred thirty-four thousand, nine hundred forty-five".