74000385 has 40 divisors (see below), whose sum is σ = 134208360. Its totient is φ = 39004416.

The previous prime is 74000369. The next prime is 74000387. The reversal of 74000385 is 58300047.

It can be written as a sum of positive squares in 4 ways, for example, as 1971216 + 72029169 = 1404^2 + 8487^2 .

It is not a de Polignac number, because 74000385 - 2⁴ = 74000369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

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 in 39 ways as a sum of consecutive naturals, for example, 35019 + ... + 37071.

It is an arithmetic number, because the mean of its divisors is an integer number (3355209).

Almost surely, 2^74000385 is an apocalyptic number.

It is an amenable number.

74000385 is a deficient number, since it is larger than the sum of its proper divisors (60207975).

74000385 is a wasteful number, since it uses less digits than its factorization.

74000385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159 (or 2150 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 74000385 is about 8602.3476446840. The cubic root of 74000385 is about 419.8343734695.

The spelling of 74000385 in words is "seventy-four million, three hundred eighty-five", and thus it is an aban number.