714940991 has 2 divisors, whose sum is σ = 714940992. Its totient is φ = 714940990.

The previous prime is 714940969. The next prime is 714940999. The reversal of 714940991 is 199049417.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-714940991 is a prime.

It is a super-2 number, since 2×714940991² = 1022281241224124162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (714940999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357470495 + 357470496.

It is an arithmetic number, because the mean of its divisors is an integer number (357470496).

Almost surely, 2^714940991 is an apocalyptic number.

714940991 is a deficient number, since it is larger than the sum of its proper divisors (1).

714940991 is an equidigital number, since it uses as much as digits as its factorization.

714940991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 714940991 is about 26738.3804857362. The cubic root of 714940991 is about 894.1768034959.

The spelling of 714940991 in words is "seven hundred fourteen million, nine hundred forty thousand, nine hundred ninety-one".