74123102 has 4 divisors (see below), whose sum is σ = 111184656. Its totient is φ = 37061550.

The previous prime is 74123087. The next prime is 74123143. The reversal of 74123102 is 20132147.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20132147 = 7 ⋅2876021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18530774 + ... + 18530777.

It is an arithmetic number, because the mean of its divisors is an integer number (27796164).

Almost surely, 2^74123102 is an apocalyptic number.

74123102 is a deficient number, since it is larger than the sum of its proper divisors (37061554).

74123102 is a wasteful number, since it uses less digits than its factorization.

74123102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37061553.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 74123102 is about 8609.4774522035. The cubic root of 74123102 is about 420.0663198372.

Adding to 74123102 its reverse (20132147), we get a palindrome (94255249).

The spelling of 74123102 in words is "seventy-four million, one hundred twenty-three thousand, one hundred two".