74969880 has 96 divisors (see below), whose sum is σ = 235312560. Its totient is φ = 19106560.

The previous prime is 74969863. The next prime is 74969887. The reversal of 74969880 is 8896947.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74969887) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62890 + ... + 64070.

Almost surely, 2^74969880 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 74969880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117656280).

74969880 is an abundant number, since it is smaller than the sum of its proper divisors (160342680).

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

74969880 is a wasteful number, since it uses less digits than its factorization.

74969880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241 (or 1214 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 74969880 is about 8658.5148842050. The cubic root of 74969880 is about 421.6598713322.

The spelling of 74969880 in words is "seventy-four million, nine hundred sixty-nine thousand, eight hundred eighty".