9734774221 has 4 divisors (see below), whose sum is σ = 9752251932. Its totient is φ = 9717296512.

The previous prime is 9734774177. The next prime is 9734774227. The reversal of 9734774221 is 1224774379.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 323640100 + 9411134121 = 17990^2 + 97011^2 .

It is a cyclic number.

It is not a de Polignac number, because 9734774221 - 2¹⁵ = 9734741453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9734774227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8738020 + ... + 8739133.

It is an arithmetic number, because the mean of its divisors is an integer number (2438062983).

Almost surely, 2^9734774221 is an apocalyptic number.

It is an amenable number.

9734774221 is a deficient number, since it is larger than the sum of its proper divisors (17477711).

9734774221 is a wasteful number, since it uses less digits than its factorization.

9734774221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17477710.

The product of its digits is 592704, while the sum is 46.

The square root of 9734774221 is about 98664.9594384957. The cubic root of 9734774221 is about 2135.2167177771.

The spelling of 9734774221 in words is "nine billion, seven hundred thirty-four million, seven hundred seventy-four thousand, two hundred twenty-one".