68574967 has 2 divisors, whose sum is σ = 68574968. Its totient is φ = 68574966.

The previous prime is 68574943. The next prime is 68574973. The reversal of 68574967 is 76947586.

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-68574967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68574907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34287483 + 34287484.

It is an arithmetic number, because the mean of its divisors is an integer number (34287484).

Almost surely, 2^68574967 is an apocalyptic number.

68574967 is a deficient number, since it is larger than the sum of its proper divisors (1).

68574967 is an equidigital number, since it uses as much as digits as its factorization.

68574967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 52.

The square root of 68574967 is about 8281.0003622751. Note that the first 3 decimals coincide. The cubic root of 68574967 is about 409.3126834577.

The spelling of 68574967 in words is "sixty-eight million, five hundred seventy-four thousand, nine hundred sixty-seven".