47668507 has 2 divisors, whose sum is σ = 47668508. Its totient is φ = 47668506.

The previous prime is 47668471. The next prime is 47668513. The reversal of 47668507 is 70586674.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47668507 is a prime.

It is not a weakly prime, because it can be changed into another prime (47668597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23834253 + 23834254.

It is an arithmetic number, because the mean of its divisors is an integer number (23834254).

Almost surely, 2^47668507 is an apocalyptic number.

47668507 is a deficient number, since it is larger than the sum of its proper divisors (1).

47668507 is an equidigital number, since it uses as much as digits as its factorization.

47668507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 47668507 is about 6904.2383359789. The cubic root of 47668507 is about 362.5855702865.

It can be divided in two parts, 4 and 7668507, that multiplied together give a triangular number (30674028 = T₇₈₃₂).

The spelling of 47668507 in words is "forty-seven million, six hundred sixty-eight thousand, five hundred seven".