74073071 has 4 divisors (see below), whose sum is σ = 74545032. Its totient is φ = 73601112.

The previous prime is 74073067. The next prime is 74073091. The reversal of 74073071 is 17037047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17037047 = 3137 ⋅5431.

It is a cyclic number.

It is not a de Polignac number, because 74073071 - 2² = 74073067 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74073011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235745 + ... + 236058.

It is an arithmetic number, because the mean of its divisors is an integer number (18636258).

Almost surely, 2^74073071 is an apocalyptic number.

74073071 is a deficient number, since it is larger than the sum of its proper divisors (471961).

74073071 is a wasteful number, since it uses less digits than its factorization.

74073071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471960.

The product of its (nonzero) digits is 4116, while the sum is 29.

The square root of 74073071 is about 8606.5713847037. The cubic root of 74073071 is about 419.9717875985.

The spelling of 74073071 in words is "seventy-four million, seventy-three thousand, seventy-one".