74909683 has 2 divisors, whose sum is σ = 74909684. Its totient is φ = 74909682.

The previous prime is 74909651. The next prime is 74909693. The reversal of 74909683 is 38690947.

It is a strong prime.

It is an emirp because it is prime and its reverse (38690947) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74909683 - 2⁵ = 74909651 is a prime.

It is a super-2 number, since 2×74909683² = 11222921214320978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74909693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37454841 + 37454842.

It is an arithmetic number, because the mean of its divisors is an integer number (37454842).

Almost surely, 2^74909683 is an apocalyptic number.

74909683 is a deficient number, since it is larger than the sum of its proper divisors (1).

74909683 is an equidigital number, since it uses as much as digits as its factorization.

74909683 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 74909683 is about 8655.0380126259. The cubic root of 74909683 is about 421.5469839701.

The spelling of 74909683 in words is "seventy-four million, nine hundred nine thousand, six hundred eighty-three".