74152227447 has 108 divisors (see below), whose sum is σ = 121928603160. Its totient is φ = 43300889280.

The previous prime is 74152227439. The next prime is 74152227463. The reversal of 74152227447 is 74472225147.

74152227447 is a `hidden beast` number, since 7 + 415 + 2 + 227 + 4 + 4 + 7 = 666.

It is not a de Polignac number, because 74152227447 - 2³ = 74152227439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74152227407) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 86930673 + ... + 86931525.

Almost surely, 2^74152227447 is an apocalyptic number.

74152227447 is a deficient number, since it is larger than the sum of its proper divisors (47776375713).

74152227447 is a wasteful number, since it uses less digits than its factorization.

74152227447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986 (or 929 counting only the distinct ones).

The product of its digits is 878080, while the sum is 45.

The spelling of 74152227447 in words is "seventy-four billion, one hundred fifty-two million, two hundred twenty-seven thousand, four hundred forty-seven".