84071030 has 16 divisors (see below), whose sum is σ = 155418480. Its totient is φ = 32719392.

The previous prime is 84071027. The next prime is 84071041. The reversal of 84071030 is 3017048.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 84070987 and 84071005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113240 + ... + 113979.

It is an arithmetic number, because the mean of its divisors is an integer number (9713655).

Almost surely, 2^84071030 is an apocalyptic number.

84071030 is a deficient number, since it is larger than the sum of its proper divisors (71347450).

84071030 is a wasteful number, since it uses less digits than its factorization.

84071030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227263.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 84071030 is about 9169.0255752724. The cubic root of 84071030 is about 438.0753225617.

Adding to 84071030 its reverse (3017048), we get a palindrome (87088078).

The spelling of 84071030 in words is "eighty-four million, seventy-one thousand, thirty".