74076780 has 24 divisors (see below), whose sum is σ = 207415152. Its totient is φ = 19753792.

The previous prime is 74076757. The next prime is 74076781. The reversal of 74076780 is 8767047.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (74076781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617247 + ... + 617366.

It is an arithmetic number, because the mean of its divisors is an integer number (8642298).

Almost surely, 2^74076780 is an apocalyptic number.

It is an amenable number.

74076780 is an abundant number, since it is smaller than the sum of its proper divisors (133338372).

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

74076780 is a wasteful number, since it uses less digits than its factorization.

74076780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234625 (or 1234623 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 74076780 is about 8606.7868568938. The cubic root of 74076780 is about 419.9787971156.

The spelling of 74076780 in words is "seventy-four million, seventy-six thousand, seven hundred eighty".