76812018 has 64 divisors (see below), whose sum is σ = 169247232. Its totient is φ = 23143680.

The previous prime is 76812011. The next prime is 76812023. The reversal of 76812018 is 81021867.

It is a happy number.

It is a super-2 number, since 2×76812018² = 11800172218464648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 76812018.

It is not an unprimeable number, because it can be changed into a prime (76812011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 363933 + ... + 364143.

It is an arithmetic number, because the mean of its divisors is an integer number (2644488).

Almost surely, 2^76812018 is an apocalyptic number.

76812018 is an abundant number, since it is smaller than the sum of its proper divisors (92435214).

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

76812018 is a wasteful number, since it uses less digits than its factorization.

76812018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359.

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 76812018 is about 8764.2465734369. The cubic root of 76812018 is about 425.0855984449.

The spelling of 76812018 in words is "seventy-six million, eight hundred twelve thousand, eighteen".