74245021248394 has 16 divisors (see below), whose sum is σ = 117919662451200. Its totient is φ = 34938507812544.

The previous prime is 74245021248341. The next prime is 74245021248403. The reversal of 74245021248394 is 49384212054247.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6458184 + ... + 13791235.

It is an arithmetic number, because the mean of its divisors is an integer number (7369978903200).

Almost surely, 2^{74245021248394} is an apocalyptic number.

74245021248394 is a deficient number, since it is larger than the sum of its proper divisors (43674641202806).

74245021248394 is a wasteful number, since it uses less digits than its factorization.

74245021248394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20357277.

The product of its (nonzero) digits is 15482880, while the sum is 55.

The spelling of 74245021248394 in words is "seventy-four trillion, two hundred forty-five billion, twenty-one million, two hundred forty-eight thousand, three hundred ninety-four".