84670738 has 16 divisors (see below), whose sum is σ = 129205440. Its totient is φ = 41608656.

The previous prime is 84670721. The next prime is 84670739. The reversal of 84670738 is 83707648.

It is a junction number, because it is equal to n+sod(n) for n = 84670694 and 84670703.

It is not an unprimeable number, because it can be changed into a prime (84670739) 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, 27156 + ... + 30112.

It is an arithmetic number, because the mean of its divisors is an integer number (8075340).

Almost surely, 2^84670738 is an apocalyptic number.

84670738 is a deficient number, since it is larger than the sum of its proper divisors (44534702).

84670738 is a wasteful number, since it uses less digits than its factorization.

84670738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3201.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 84670738 is about 9201.6703918365. The cubic root of 84670738 is about 439.1145035764.

The spelling of 84670738 in words is "eighty-four million, six hundred seventy thousand, seven hundred thirty-eight".