74238071 has 8 divisors (see below), whose sum is σ = 75043584. Its totient is φ = 73437280.

The previous prime is 74238061. The next prime is 74238083. The reversal of 74238071 is 17083247.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74238071 - 2¹⁸ = 73975927 is a prime.

It is a super-2 number, since 2×74238071² = 11022582371602082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74238041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36641 + ... + 38613.

It is an arithmetic number, because the mean of its divisors is an integer number (9380448).

Almost surely, 2^74238071 is an apocalyptic number.

74238071 is a deficient number, since it is larger than the sum of its proper divisors (805513).

74238071 is a wasteful number, since it uses less digits than its factorization.

74238071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 74238071 is about 8616.1517512170. The cubic root of 74238071 is about 420.2833896203.

The spelling of 74238071 in words is "seventy-four million, two hundred thirty-eight thousand, seventy-one".