76818147 has 16 divisors (see below), whose sum is σ = 119266560. Its totient is φ = 43067232.

The previous prime is 76818103. The next prime is 76818173. The reversal of 76818147 is 74181867.

It is a happy number.

It is not a de Polignac number, because 76818147 - 2⁸ = 76817891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76818099 and 76818108.

It is not an unprimeable number, because it can be changed into a prime (76818047) 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, 33397 + ... + 35622.

It is an arithmetic number, because the mean of its divisors is an integer number (7454160).

Almost surely, 2^76818147 is an apocalyptic number.

76818147 is a deficient number, since it is larger than the sum of its proper divisors (42448413).

76818147 is a wasteful number, since it uses less digits than its factorization.

76818147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69082.

The product of its digits is 75264, while the sum is 42.

The square root of 76818147 is about 8764.5962257254. The cubic root of 76818147 is about 425.0969043161.

It can be divided in two parts, 768 and 18147, that added together give a triangular number (18915 = T₁₉₄).

The spelling of 76818147 in words is "seventy-six million, eight hundred eighteen thousand, one hundred forty-seven".