74165738 has 4 divisors (see below), whose sum is σ = 111248610. Its totient is φ = 37082868.

The previous prime is 74165711. The next prime is 74165743. The reversal of 74165738 is 83756147.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83756147 = 29 ⋅2888143.

It can be written as a sum of positive squares in only one way, i.e., 69338929 + 4826809 = 8327^2 + 2197^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74165695 and 74165704.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18541433 + ... + 18541436.

Almost surely, 2^74165738 is an apocalyptic number.

74165738 is a deficient number, since it is larger than the sum of its proper divisors (37082872).

74165738 is a wasteful number, since it uses less digits than its factorization.

74165738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37082871.

The product of its digits is 141120, while the sum is 41.

The square root of 74165738 is about 8611.9532047033. The cubic root of 74165738 is about 420.1468458552.

The spelling of 74165738 in words is "seventy-four million, one hundred sixty-five thousand, seven hundred thirty-eight".