74063881 has 8 divisors (see below), whose sum is σ = 78041600. Its totient is φ = 70094160.

The previous prime is 74063833. The next prime is 74063893. The reversal of 74063881 is 18836047.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74063881 - 2¹¹ = 74061833 is a prime.

It is a super-2 number, since 2×74063881² = 10970916937564322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74063881.

It is not an unprimeable number, because it can be changed into a prime (74063831) 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, 31960 + ... + 34198.

It is an arithmetic number, because the mean of its divisors is an integer number (9755200).

Almost surely, 2^74063881 is an apocalyptic number.

It is an amenable number.

74063881 is a deficient number, since it is larger than the sum of its proper divisors (3977719).

74063881 is a wasteful number, since it uses less digits than its factorization.

74063881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3999.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 74063881 is about 8606.0374737739. The cubic root of 74063881 is about 419.9544187117.

The spelling of 74063881 in words is "seventy-four million, sixty-three thousand, eight hundred eighty-one".