76216218 has 32 divisors (see below), whose sum is σ = 166017600. Its totient is φ = 23185536.

The previous prime is 76216213. The next prime is 76216223. The reversal of 76216218 is 81261267.

It is an interprime number because it is at equal distance from previous prime (76216213) and next prime (76216223).

It is not an unprimeable number, because it can be changed into a prime (76216211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1453 + ... + 12431.

It is an arithmetic number, because the mean of its divisors is an integer number (5188050).

Almost surely, 2^76216218 is an apocalyptic number.

76216218 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 76216218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83008800).

76216218 is an abundant number, since it is smaller than the sum of its proper divisors (89801382).

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

76216218 is a wasteful number, since it uses less digits than its factorization.

76216218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11086.

The product of its digits is 8064, while the sum is 33.

The square root of 76216218 is about 8730.1900322960. The cubic root of 76216218 is about 423.9836716448.

The spelling of 76216218 in words is "seventy-six million, two hundred sixteen thousand, two hundred eighteen".