74077416 has 120 divisors (see below), whose sum is σ = 241463970. Its totient is φ = 21155904.

The previous prime is 74077387. The next prime is 74077477. The reversal of 74077416 is 61477047.

It can be written as a sum of positive squares in only one way, i.e., 67076100 + 7001316 = 8190^2 + 2646^2 .

It is a super-2 number, since 2×74077416² = 10974927122474112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 30586 + ... + 32918.

Almost surely, 2^74077416 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 74077416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120731985).

74077416 is an abundant number, since it is smaller than the sum of its proper divisors (167386554).

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

74077416 is a wasteful number, since it uses less digits than its factorization.

74077416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2365 (or 2345 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 74077416 is about 8606.8238044008. The cubic root of 74077416 is about 419.9799990475.

The spelling of 74077416 in words is "seventy-four million, seventy-seven thousand, four hundred sixteen".