74309976 has 144 divisors (see below), whose sum is σ = 226100160. Its totient is φ = 22014720.

The previous prime is 74309953. The next prime is 74310001. The reversal of 74309976 is 67990347.

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 377110 + ... + 377306.

It is an arithmetic number, because the mean of its divisors is an integer number (1570140).

Almost surely, 2^74309976 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 74309976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113050080).

74309976 is an abundant number, since it is smaller than the sum of its proper divisors (151790184).

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

74309976 is a wasteful number, since it uses less digits than its factorization.

74309976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 74309976 is about 8620.3234278071. The cubic root of 74309976 is about 420.4190375659.

The spelling of 74309976 in words is "seventy-four million, three hundred nine thousand, nine hundred seventy-six".