74232947 has 2 divisors, whose sum is σ = 74232948. Its totient is φ = 74232946.

The previous prime is 74232889. The next prime is 74232967. The reversal of 74232947 is 74923247.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74232947 - 2⁶ = 74232883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74232947.

It is not a weakly prime, because it can be changed into another prime (74232967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37116473 + 37116474.

It is an arithmetic number, because the mean of its divisors is an integer number (37116474).

Almost surely, 2^74232947 is an apocalyptic number.

74232947 is a deficient number, since it is larger than the sum of its proper divisors (1).

74232947 is an equidigital number, since it uses as much as digits as its factorization.

74232947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 38.

The square root of 74232947 is about 8615.8543975627. The cubic root of 74232947 is about 420.2737199112.

The spelling of 74232947 in words is "seventy-four million, two hundred thirty-two thousand, nine hundred forty-seven".