83473906 has 4 divisors (see below), whose sum is σ = 125210862. Its totient is φ = 41736952.

The previous prime is 83473883. The next prime is 83473913. The reversal of 83473906 is 60937438.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 62267881 + 21206025 = 7891^2 + 4605^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20868475 + ... + 20868478.

Almost surely, 2^83473906 is an apocalyptic number.

83473906 is a deficient number, since it is larger than the sum of its proper divisors (41736956).

83473906 is a wasteful number, since it uses less digits than its factorization.

83473906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41736955.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 83473906 is about 9136.4055295286. The cubic root of 83473906 is about 437.0356974681.

The spelling of 83473906 in words is "eighty-three million, four hundred seventy-three thousand, nine hundred six".