972427 has 2 divisors, whose sum is σ = 972428. Its totient is φ = 972426.

The previous prime is 972409. The next prime is 972431. The reversal of 972427 is 724279.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 972427 - 2¹⁹ = 448139 is a prime.

It is a super-2 number, since 2×972427² = 1891228540658, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (972407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486213 + 486214.

It is an arithmetic number, because the mean of its divisors is an integer number (486214).

2⁹⁷²⁴²⁷ is an apocalyptic number.

972427 is a deficient number, since it is larger than the sum of its proper divisors (1).

972427 is an equidigital number, since it uses as much as digits as its factorization.

972427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 31.

The square root of 972427 is about 986.1171330020. The cubic root of 972427 is about 99.0723207233.

The spelling of 972427 in words is "nine hundred seventy-two thousand, four hundred twenty-seven".