83673380 has 36 divisors (see below), whose sum is σ = 204404508. Its totient is φ = 28687680.

The previous prime is 83673377. The next prime is 83673383. The reversal of 83673380 is 8337638.

It is an interprime number because it is at equal distance from previous prime (83673377) and next prime (83673383).

It can be written as a sum of positive squares in 2 ways, for example, as 16826404 + 66846976 = 4102^2 + 8176^2 .

It is not an unprimeable number, because it can be changed into a prime (83673383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41711 + ... + 43670.

It is an arithmetic number, because the mean of its divisors is an integer number (5677903).

Almost surely, 2^83673380 is an apocalyptic number.

It is an amenable number.

83673380 is an abundant number, since it is smaller than the sum of its proper divisors (120731128).

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

83673380 is a wasteful number, since it uses less digits than its factorization.

83673380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85404 (or 85395 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 83673380 is about 9147.3154531808. The cubic root of 83673380 is about 437.3835423363.

The spelling of 83673380 in words is "eighty-three million, six hundred seventy-three thousand, three hundred eighty".