74343776 has 72 divisors (see below), whose sum is σ = 161867160. Its totient is φ = 33586176.

The previous prime is 74343761. The next prime is 74343779. The reversal of 74343776 is 67734347.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74343779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 318956 + ... + 319188.

It is an arithmetic number, because the mean of its divisors is an integer number (2248155).

Almost surely, 2^74343776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74343776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80933580).

74343776 is an abundant number, since it is smaller than the sum of its proper divisors (87523384).

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

74343776 is a wasteful number, since it uses less digits than its factorization.

74343776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 307 counting only the distinct ones).

The product of its digits is 296352, while the sum is 41.

The square root of 74343776 is about 8622.2836882116. The cubic root of 74343776 is about 420.4827706395.

The spelling of 74343776 in words is "seventy-four million, three hundred forty-three thousand, seven hundred seventy-six".