74012022 has 64 divisors (see below), whose sum is σ = 196162560. Its totient is φ = 20224512.

The previous prime is 74012021. The next prime is 74012023. The reversal of 74012022 is 22021047.

It is an interprime number because it is at equal distance from previous prime (74012021) and next prime (74012023).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 74011986 and 74012004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74012021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4438 + ... + 12950.

It is an arithmetic number, because the mean of its divisors is an integer number (3065040).

Almost surely, 2^74012022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74012022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98081280).

74012022 is an abundant number, since it is smaller than the sum of its proper divisors (122150538).

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

74012022 is a wasteful number, since it uses less digits than its factorization.

74012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8554 (or 8548 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 74012022 is about 8603.0240032212. The cubic root of 74012022 is about 419.8563794655.

Adding to 74012022 its reverse (22021047), we get a palindrome (96033069).

The spelling of 74012022 in words is "seventy-four million, twelve thousand, twenty-two".