74969387 has 2 divisors, whose sum is σ = 74969388. Its totient is φ = 74969386.

The previous prime is 74969369. The next prime is 74969393. The reversal of 74969387 is 78396947.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74969387 - 2¹⁴ = 74953003 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74969327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37484693 + 37484694.

It is an arithmetic number, because the mean of its divisors is an integer number (37484694).

Almost surely, 2^74969387 is an apocalyptic number.

74969387 is a deficient number, since it is larger than the sum of its proper divisors (1).

74969387 is an equidigital number, since it uses as much as digits as its factorization.

74969387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 53.

The square root of 74969387 is about 8658.4864150728. The cubic root of 74969387 is about 421.6589470553.

The spelling of 74969387 in words is "seventy-four million, nine hundred sixty-nine thousand, three hundred eighty-seven".