74470385 has 8 divisors (see below), whose sum is σ = 97488576. Its totient is φ = 54160240.

The previous prime is 74470373. The next prime is 74470393. The reversal of 74470385 is 58307447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74470385 - 2⁶ = 74470321 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676949 + ... + 677058.

It is an arithmetic number, because the mean of its divisors is an integer number (12186072).

Almost surely, 2^74470385 is an apocalyptic number.

It is an amenable number.

74470385 is a deficient number, since it is larger than the sum of its proper divisors (23018191).

74470385 is a wasteful number, since it uses less digits than its factorization.

74470385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354023.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 74470385 is about 8629.6225294042. The cubic root of 74470385 is about 420.7213322397.

The spelling of 74470385 in words is "seventy-four million, four hundred seventy thousand, three hundred eighty-five".