76724334 has 40 divisors (see below), whose sum is σ = 172715400. Its totient is φ = 25561656.

The previous prime is 76724327. The next prime is 76724339. The reversal of 76724334 is 43342767.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76724339) 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 19 ways as a sum of consecutive naturals, for example, 38392 + ... + 40340.

It is an arithmetic number, because the mean of its divisors is an integer number (4317885).

Almost surely, 2^76724334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76724334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86357700).

76724334 is an abundant number, since it is smaller than the sum of its proper divisors (95991066).

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

76724334 is an frugal number, since it uses more digits than its factorization.

76724334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978 (or 1954 counting only the distinct ones).

The product of its digits is 84672, while the sum is 36.

The square root of 76724334 is about 8759.2427754915. The cubic root of 76724334 is about 424.9237861029.

The spelling of 76724334 in words is "seventy-six million, seven hundred twenty-four thousand, three hundred thirty-four".