83730473 has 8 divisors (see below), whose sum is σ = 90981120. Its totient is φ = 76764240.

The previous prime is 83730469. The next prime is 83730481. The reversal of 83730473 is 37403738.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83730473 - 2² = 83730469 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83730433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70490 + ... + 71667.

It is an arithmetic number, because the mean of its divisors is an integer number (11372640).

Almost surely, 2^83730473 is an apocalyptic number.

It is an amenable number.

83730473 is a deficient number, since it is larger than the sum of its proper divisors (7250647).

83730473 is a wasteful number, since it uses less digits than its factorization.

83730473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142207.

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 83730473 is about 9150.4356726879. The cubic root of 83730473 is about 437.4829999381.

The spelling of 83730473 in words is "eighty-three million, seven hundred thirty thousand, four hundred seventy-three".