756743047 has 2 divisors, whose sum is σ = 756743048. Its totient is φ = 756743046.

The previous prime is 756743041. The next prime is 756743051. The reversal of 756743047 is 740347657.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 756743047 - 2⁷ = 756742919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 756742994 and 756743012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (756743041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 378371523 + 378371524.

It is an arithmetic number, because the mean of its divisors is an integer number (378371524).

Almost surely, 2^756743047 is an apocalyptic number.

756743047 is a deficient number, since it is larger than the sum of its proper divisors (1).

756743047 is an equidigital number, since it uses as much as digits as its factorization.

756743047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 493920, while the sum is 43.

The square root of 756743047 is about 27508.9630302562. The cubic root of 756743047 is about 911.2750499630.

The spelling of 756743047 in words is "seven hundred fifty-six million, seven hundred forty-three thousand, forty-seven".