74494071 has 6 divisors (see below), whose sum is σ = 107602560. Its totient is φ = 49662708.

The previous prime is 74494037. The next prime is 74494073. The reversal of 74494071 is 17049447.

It is not a de Polignac number, because 74494071 - 2¹⁷ = 74362999 is a prime.

It is a super-2 number, since 2×74494071² = 11098733228306082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74494073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4138551 + ... + 4138568.

It is an arithmetic number, because the mean of its divisors is an integer number (17933760).

Almost surely, 2^74494071 is an apocalyptic number.

74494071 is a deficient number, since it is larger than the sum of its proper divisors (33108489).

74494071 is a wasteful number, since it uses less digits than its factorization.

74494071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8277125 (or 8277122 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 74494071 is about 8630.9947862341. The cubic root of 74494071 is about 420.7659322918.

The spelling of 74494071 in words is "seventy-four million, four hundred ninety-four thousand, seventy-one".