74666736 has 60 divisors (see below), whose sum is σ = 211855488. Its totient is φ = 24544512.

The previous prime is 74666723. The next prime is 74666747. The reversal of 74666736 is 63766647.

It is a junction number, because it is equal to n+sod(n) for n = 74666691 and 74666700.

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 11 ways as a sum of consecutive naturals, for example, 6961 + ... + 14063.

Almost surely, 2^74666736 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 74666736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105927744).

74666736 is an abundant number, since it is smaller than the sum of its proper divisors (137188752).

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

74666736 is a wasteful number, since it uses less digits than its factorization.

74666736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7190 (or 7181 counting only the distinct ones).

The product of its digits is 762048, while the sum is 45.

The square root of 74666736 is about 8640.9916097633. The cubic root of 74666736 is about 421.0907701813.

The spelling of 74666736 in words is "seventy-four million, six hundred sixty-six thousand, seven hundred thirty-six".