74805386 has 4 divisors (see below), whose sum is σ = 112208082. Its totient is φ = 37402692.

The previous prime is 74805371. The next prime is 74805421. The reversal of 74805386 is 68350847.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68350847 = 19 ⋅3597413.

It can be written as a sum of positive squares in only one way, i.e., 65691025 + 9114361 = 8105^2 + 3019^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18701345 + ... + 18701348.

Almost surely, 2^74805386 is an apocalyptic number.

74805386 is a deficient number, since it is larger than the sum of its proper divisors (37402696).

74805386 is a wasteful number, since it uses less digits than its factorization.

74805386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37402695.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 74805386 is about 8649.0106948714. The cubic root of 74805386 is about 421.3512526817.

The spelling of 74805386 in words is "seventy-four million, eight hundred five thousand, three hundred eighty-six".