74000386 has 4 divisors (see below), whose sum is σ = 111000582. Its totient is φ = 37000192.

The previous prime is 74000369. The next prime is 74000387. The reversal of 74000386 is 68300047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68300047 = 2347 ⋅29101.

It can be written as a sum of positive squares in only one way, i.e., 60450625 + 13549761 = 7775^2 + 3681^2 .

It is not an unprimeable number, because it can be changed into a prime (74000387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18500095 + ... + 18500098.

Almost surely, 2^74000386 is an apocalyptic number.

74000386 is a deficient number, since it is larger than the sum of its proper divisors (37000196).

74000386 is a wasteful number, since it uses less digits than its factorization.

74000386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37000195.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 74000386 is about 8602.3477028076. The cubic root of 74000386 is about 419.8343753606.

The spelling of 74000386 in words is "seventy-four million, three hundred eighty-six", and thus it is an aban number.