74394618370 has 32 divisors (see below), whose sum is σ = 142742534400. Its totient is φ = 27834782976.

The previous prime is 74394618281. The next prime is 74394618379. The reversal of 74394618370 is 7381649347.

It is not an unprimeable number, because it can be changed into a prime (74394618379) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2463159 + ... + 2493178.

It is an arithmetic number, because the mean of its divisors is an integer number (4460704200).

Almost surely, 2^74394618370 is an apocalyptic number.

74394618370 is a deficient number, since it is larger than the sum of its proper divisors (68347916030).

74394618370 is a wasteful number, since it uses less digits than its factorization.

74394618370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4956442.

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 74394618370 in words is "seventy-four billion, three hundred ninety-four million, six hundred eighteen thousand, three hundred seventy".