74008747474 has 4 divisors (see below), whose sum is σ = 111013121214. Its totient is φ = 37004373736.

The previous prime is 74008747451. The next prime is 74008747499. The reversal of 74008747474 is 47474780047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47474780047 = 1811 ⋅26214677.

It can be written as a sum of positive squares in only one way, i.e., 53576046225 + 20432701249 = 231465^2 + 142943^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18502186867 + ... + 18502186870.

Almost surely, 2^74008747474 is an apocalyptic number.

74008747474 is a deficient number, since it is larger than the sum of its proper divisors (37004373740).

74008747474 is a wasteful number, since it uses less digits than its factorization.

74008747474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37004373739.

The product of its (nonzero) digits is 4917248, while the sum is 52.

The spelling of 74008747474 in words is "seventy-four billion, eight million, seven hundred forty-seven thousand, four hundred seventy-four".