74401013385 has 24 divisors (see below), whose sum is σ = 129783181320. Its totient is φ = 39427794432.

The previous prime is 74401013339. The next prime is 74401013399. The reversal of 74401013385 is 58331010447.

It is a happy number.

74401013385 is a `hidden beast` number, since 7 + 440 + 1 + 0 + 133 + 85 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4055651856 + 70345361529 = 63684^2 + 265227^2 .

It is not a de Polignac number, because 74401013385 - 2⁶ = 74401013321 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5258400 + ... + 5272529.

It is an arithmetic number, because the mean of its divisors is an integer number (5407632555).

Almost surely, 2^74401013385 is an apocalyptic number.

It is an amenable number.

74401013385 is a deficient number, since it is larger than the sum of its proper divisors (55382167935).

74401013385 is a wasteful number, since it uses less digits than its factorization.

74401013385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10531097 (or 10531094 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 74401013385 in words is "seventy-four billion, four hundred one million, thirteen thousand, three hundred eighty-five".