47432947 has 2 divisors, whose sum is σ = 47432948. Its totient is φ = 47432946.

The previous prime is 47432887. The next prime is 47432971. The reversal of 47432947 is 74923474.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47432947 - 2²³ = 39044339 is a prime.

It is a super-2 number, since 2×47432947² = 4499768922209618, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (47432977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23716473 + 23716474.

It is an arithmetic number, because the mean of its divisors is an integer number (23716474).

Almost surely, 2^47432947 is an apocalyptic number.

47432947 is a deficient number, since it is larger than the sum of its proper divisors (1).

47432947 is an equidigital number, since it uses as much as digits as its factorization.

47432947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 40.

The square root of 47432947 is about 6887.1581221865. The cubic root of 47432947 is about 361.9873295119.

The spelling of 47432947 in words is "forty-seven million, four hundred thirty-two thousand, nine hundred forty-seven".