74881071 has 16 divisors (see below), whose sum is σ = 116774400. Its totient is φ = 47292984.

The previous prime is 74881069. The next prime is 74881087. The reversal of 74881071 is 17018847.

It is not a de Polignac number, because 74881071 - 2¹ = 74881069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74881021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72471 + ... + 73496.

It is an arithmetic number, because the mean of its divisors is an integer number (7298400).

Almost surely, 2^74881071 is an apocalyptic number.

74881071 is a deficient number, since it is larger than the sum of its proper divisors (41893329).

74881071 is a wasteful number, since it uses less digits than its factorization.

74881071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145995 (or 145989 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 36.

The square root of 74881071 is about 8653.3849446329. The cubic root of 74881071 is about 421.4933067161.

The spelling of 74881071 in words is "seventy-four million, eight hundred eighty-one thousand, seventy-one".