84212703 has 20 divisors (see below), whose sum is σ = 129203800. Its totient is φ = 54622512.

The previous prime is 84212701. The next prime is 84212719. The reversal of 84212703 is 30721248.

It is not a de Polignac number, because 84212703 - 2¹ = 84212701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84212701) by changing a digit.

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 in 19 ways as a sum of consecutive naturals, for example, 11053 + ... + 17046.

It is an arithmetic number, because the mean of its divisors is an integer number (6460190).

Almost surely, 2^84212703 is an apocalyptic number.

84212703 is a deficient number, since it is larger than the sum of its proper divisors (44991097).

84212703 is a wasteful number, since it uses less digits than its factorization.

84212703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28148 (or 28139 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 84212703 is about 9176.7479533874. The cubic root of 84212703 is about 438.3212598980.

The spelling of 84212703 in words is "eighty-four million, two hundred twelve thousand, seven hundred three".