974658247 has 2 divisors, whose sum is σ = 974658248. Its totient is φ = 974658246.

The previous prime is 974658199. The next prime is 974658301. The reversal of 974658247 is 742856479.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 974658247 - 2⁷ = 974658119 is a prime.

It is a super-2 number, since 2×974658247² = 1899917396890226018, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 974658194 and 974658203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (974658547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487329123 + 487329124.

It is an arithmetic number, because the mean of its divisors is an integer number (487329124).

Almost surely, 2^974658247 is an apocalyptic number.

974658247 is a deficient number, since it is larger than the sum of its proper divisors (1).

974658247 is an equidigital number, since it uses as much as digits as its factorization.

974658247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3386880, while the sum is 52.

The square root of 974658247 is about 31219.5170846700. The cubic root of 974658247 is about 991.4803710524.

The spelling of 974658247 in words is "nine hundred seventy-four million, six hundred fifty-eight thousand, two hundred forty-seven".