74102202 has 20 divisors (see below), whose sum is σ = 166044186. Its totient is φ = 24700680.

The previous prime is 74102179. The next prime is 74102207. The reversal of 74102202 is 20220147.

It can be written as a sum of positive squares in only one way, i.e., 65755881 + 8346321 = 8109^2 + 2889^2 .

It is a super-2 number, since 2×74102202² = 10982272682497608, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (74102207) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 228549 + ... + 228872.

Almost surely, 2^74102202 is an apocalyptic number.

74102202 is an abundant number, since it is smaller than the sum of its proper divisors (91941984).

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

74102202 is a wasteful number, since it uses less digits than its factorization.

74102202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457435 (or 457426 counting only the distinct ones).

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

The square root of 74102202 is about 8608.2635879717. The cubic root of 74102202 is about 420.0268350201.

Adding to 74102202 its reverse (20220147), we get a palindrome (94322349).

The spelling of 74102202 in words is "seventy-four million, one hundred two thousand, two hundred two".