76734918 has 64 divisors (see below), whose sum is σ = 184766400. Its totient is φ = 23466240.

The previous prime is 76734907. The next prime is 76734941. The reversal of 76734918 is 81943767.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197068 + ... + 197456.

It is an arithmetic number, because the mean of its divisors is an integer number (2886975).

Almost surely, 2^76734918 is an apocalyptic number.

76734918 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 76734918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92383200).

76734918 is an abundant number, since it is smaller than the sum of its proper divisors (108031482).

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

76734918 is a wasteful number, since it uses less digits than its factorization.

76734918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694 (or 688 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 76734918 is about 8759.8469164706. The cubic root of 76734918 is about 424.9433243916.

The spelling of 76734918 in words is "seventy-six million, seven hundred thirty-four thousand, nine hundred eighteen".