9772427 has 4 divisors (see below), whose sum is σ = 11168496. Its totient is φ = 8376360.

The previous prime is 9772423. The next prime is 9772453. The reversal of 9772427 is 7242779.

9772427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 9772427 - 2² = 9772423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9772421) 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, 698024 + ... + 698037.

It is an arithmetic number, because the mean of its divisors is an integer number (2792124).

Almost surely, 2^9772427 is an apocalyptic number.

9772427 is a deficient number, since it is larger than the sum of its proper divisors (1396069).

9772427 is a wasteful number, since it uses less digits than its factorization.

9772427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396068.

The product of its digits is 49392, while the sum is 38.

The square root of 9772427 is about 3126.0881305555. The cubic root of 9772427 is about 213.7966085109.

The spelling of 9772427 in words is "nine million, seven hundred seventy-two thousand, four hundred twenty-seven".