77234814 has 12 divisors (see below), whose sum is σ = 167342136. Its totient is φ = 25744932.

The previous prime is 77234813. The next prime is 77234819. The reversal of 77234814 is 41843277.

It is a happy number.

It is a super-2 number, since 2×77234814² = 11930432987229192, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77234813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2145394 + ... + 2145429.

It is an arithmetic number, because the mean of its divisors is an integer number (13945178).

Almost surely, 2^77234814 is an apocalyptic number.

77234814 is an abundant number, since it is smaller than the sum of its proper divisors (90107322).

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

77234814 is a wasteful number, since it uses less digits than its factorization.

77234814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4290831 (or 4290828 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 77234814 is about 8788.3339718060. Note that the first 3 decimals coincide. The cubic root of 77234814 is about 425.8641039784.

The spelling of 77234814 in words is "seventy-seven million, two hundred thirty-four thousand, eight hundred fourteen".