74375947 has 2 divisors, whose sum is σ = 74375948. Its totient is φ = 74375946.

The previous prime is 74375921. The next prime is 74375989. The reversal of 74375947 is 74957347.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74375947 - 2¹¹ = 74373899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74375897 and 74375906.

It is not a weakly prime, because it can be changed into another prime (74375047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37187973 + 37187974.

It is an arithmetic number, because the mean of its divisors is an integer number (37187974).

Almost surely, 2^74375947 is an apocalyptic number.

74375947 is a deficient number, since it is larger than the sum of its proper divisors (1).

74375947 is an equidigital number, since it uses as much as digits as its factorization.

74375947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 740880, while the sum is 46.

The square root of 74375947 is about 8624.1490594725. The cubic root of 74375947 is about 420.5434141400.

The spelling of 74375947 in words is "seventy-four million, three hundred seventy-five thousand, nine hundred forty-seven".