83975274 has 48 divisors (see below), whose sum is σ = 197882568. Its totient is φ = 25629696.

The previous prime is 83975273. The next prime is 83975293. The reversal of 83975274 is 47257938.

It can be written as a sum of positive squares in 4 ways, for example, as 82029249 + 1946025 = 9057^2 + 1395^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (83975273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7614 + ... + 15030.

Almost surely, 2^83975274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83975274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98941284).

83975274 is an abundant number, since it is smaller than the sum of its proper divisors (113907294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83975274 is a wasteful number, since it uses less digits than its factorization.

83975274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7479 (or 7476 counting only the distinct ones).

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

The square root of 83975274 is about 9163.8023767430. The cubic root of 83975274 is about 437.9089383471.

The spelling of 83975274 in words is "eighty-three million, nine hundred seventy-five thousand, two hundred seventy-four".