74038780 has 12 divisors (see below), whose sum is σ = 155481480. Its totient is φ = 29615504.

The previous prime is 74038747. The next prime is 74038781. The reversal of 74038780 is 8783047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74038781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1850950 + ... + 1850989.

It is an arithmetic number, because the mean of its divisors is an integer number (12956790).

Almost surely, 2^74038780 is an apocalyptic number.

It is an amenable number.

74038780 is an abundant number, since it is smaller than the sum of its proper divisors (81442700).

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

74038780 is a wasteful number, since it uses less digits than its factorization.

74038780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3701948 (or 3701946 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 74038780 is about 8604.5790135253. The cubic root of 74038780 is about 419.9069710814.

The spelling of 74038780 in words is "seventy-four million, thirty-eight thousand, seven hundred eighty".