83473138 has 32 divisors (see below), whose sum is σ = 147087360. Its totient is φ = 34791120.

The previous prime is 83473129. The next prime is 83473139. The reversal of 83473138 is 83137438.

It is a junction number, because it is equal to n+sod(n) for n = 83473097 and 83473106.

It is not an unprimeable number, because it can be changed into a prime (83473139) 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, 77995 + ... + 79057.

It is an arithmetic number, because the mean of its divisors is an integer number (4596480).

Almost surely, 2^83473138 is an apocalyptic number.

83473138 is a deficient number, since it is larger than the sum of its proper divisors (63614222).

83473138 is a wasteful number, since it uses less digits than its factorization.

83473138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222.

The product of its digits is 48384, while the sum is 37.

The square root of 83473138 is about 9136.3634997739. The cubic root of 83473138 is about 437.0343571512.

The spelling of 83473138 in words is "eighty-three million, four hundred seventy-three thousand, one hundred thirty-eight".