74873485384 has 8 divisors (see below), whose sum is σ = 140387785110. Its totient is φ = 37436742688.

The previous prime is 74873485361. The next prime is 74873485387. The reversal of 74873485384 is 48358437847.

It can be written as a sum of positive squares in only one way, i.e., 70372417284 + 4501068100 = 265278^2 + 67090^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (74873485387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4679592829 + ... + 4679592844.

Almost surely, 2^74873485384 is an apocalyptic number.

It is an amenable number.

74873485384 is a deficient number, since it is larger than the sum of its proper divisors (65514299726).

74873485384 is a wasteful number, since it uses less digits than its factorization.

74873485384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9359185679 (or 9359185675 counting only the distinct ones).

The product of its digits is 72253440, while the sum is 61.

The spelling of 74873485384 in words is "seventy-four billion, eight hundred seventy-three million, four hundred eighty-five thousand, three hundred eighty-four".