74320285994 has 8 divisors (see below), whose sum is σ = 111505544868. Its totient is φ = 37151771040.

The previous prime is 74320285951. The next prime is 74320285999. The reversal of 74320285994 is 49958202347.

It can be written as a sum of positive squares in 2 ways, for example, as 72327109969 + 1993176025 = 268937^2 + 44645^2 .

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

It is not an unprimeable number, because it can be changed into a prime (74320285999) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4174877 + ... + 4192640.

Almost surely, 2^74320285994 is an apocalyptic number.

74320285994 is a deficient number, since it is larger than the sum of its proper divisors (37185258874).

74320285994 is a wasteful number, since it uses less digits than its factorization.

74320285994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8371960.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 74320285994 in words is "seventy-four billion, three hundred twenty million, two hundred eighty-five thousand, nine hundred ninety-four".