84020718 has 8 divisors (see below), whose sum is σ = 168041448. Its totient is φ = 28006904.

The previous prime is 84020711. The next prime is 84020723. The reversal of 84020718 is 81702048.

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

84020718 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84020711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7001721 + ... + 7001732.

It is an arithmetic number, because the mean of its divisors is an integer number (21005181).

Almost surely, 2^84020718 is an apocalyptic number.

84020718 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84020718 is a wasteful number, since it uses less digits than its factorization.

84020718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14003458.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 84020718 is about 9166.2815797901. The cubic root of 84020718 is about 437.9879169328.

The spelling of 84020718 in words is "eighty-four million, twenty thousand, seven hundred eighteen".