74456385 has 16 divisors (see below), whose sum is σ = 119237184. Its totient is φ = 39674432.

The previous prime is 74456381. The next prime is 74456399. The reversal of 74456385 is 58365447.

It is a cyclic number.

It is not a de Polignac number, because 74456385 - 2² = 74456381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74456381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32074 + ... + 34316.

It is an arithmetic number, because the mean of its divisors is an integer number (7452324).

Almost surely, 2^74456385 is an apocalyptic number.

It is an amenable number.

74456385 is a deficient number, since it is larger than the sum of its proper divisors (44780799).

74456385 is a wasteful number, since it uses less digits than its factorization.

74456385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4464.

The product of its digits is 403200, while the sum is 42.

The square root of 74456385 is about 8628.8113318116. The cubic root of 74456385 is about 420.6949661981.

The spelling of 74456385 in words is "seventy-four million, four hundred fifty-six thousand, three hundred eighty-five".