84783730 has 16 divisors (see below), whose sum is σ = 152829504. Its totient is φ = 33864880.

The previous prime is 84783707. The next prime is 84783737. The reversal of 84783730 is 3738748.

It is not an unprimeable number, because it can be changed into a prime (84783737) 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, 1725 + ... + 13135.

It is an arithmetic number, because the mean of its divisors is an integer number (9551844).

Almost surely, 2^84783730 is an apocalyptic number.

84783730 is a deficient number, since it is larger than the sum of its proper divisors (68045774).

84783730 is a wasteful number, since it uses less digits than its factorization.

84783730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12161.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 84783730 is about 9207.8080996511. The cubic root of 84783730 is about 439.3097476189.

The spelling of 84783730 in words is "eighty-four million, seven hundred eighty-three thousand, seven hundred thirty".