1973700247 has 2 divisors, whose sum is σ = 1973700248. Its totient is φ = 1973700246.

The previous prime is 1973700229. The next prime is 1973700293. The reversal of 1973700247 is 7420073791.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1973700247 is a prime.

It is a super-2 number, since 2×1973700247² = 7790985330015722018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1973706247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 986850123 + 986850124.

It is an arithmetic number, because the mean of its divisors is an integer number (986850124).

Almost surely, 2^1973700247 is an apocalyptic number.

1973700247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1973700247 is an equidigital number, since it uses as much as digits as its factorization.

1973700247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 1973700247 is about 44426.3463161219. The cubic root of 1973700247 is about 1254.3740622372.

The spelling of 1973700247 in words is "one billion, nine hundred seventy-three million, seven hundred thousand, two hundred forty-seven".