74149056 has 168 divisors, whose sum is σ = 230611680. Its totient is φ = 22708224.

The previous prime is 74149037. The next prime is 74149091. The reversal of 74149056 is 65094147.

It is a super-2 number, since 2×74149056² = 10996165011382272, which contains 22 as substring.

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

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 74149056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 384096 + ... + 384288.

Almost surely, 2^74149056 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 74149056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115305840).

74149056 is an abundant number, since it is smaller than the sum of its proper divisors (156462624).

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

74149056 is a wasteful number, since it uses less digits than its factorization.

74149056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 74149056 is about 8610.9846126909. The cubic root of 74149056 is about 420.1153424708.

The spelling of 74149056 in words is "seventy-four million, one hundred forty-nine thousand, fifty-six".