74081481 has 4 divisors (see below), whose sum is σ = 98775312. Its totient is φ = 49387652.

The previous prime is 74081479. The next prime is 74081503. The reversal of 74081481 is 18418047.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 74081481 - 2¹ = 74081479 is a prime.

It is a super-2 number, since 2×74081481² = 10976131654306722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74081281) 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, 12346911 + ... + 12346916.

It is an arithmetic number, because the mean of its divisors is an integer number (24693828).

Almost surely, 2^74081481 is an apocalyptic number.

It is an amenable number.

74081481 is a deficient number, since it is larger than the sum of its proper divisors (24693831).

74081481 is a wasteful number, since it uses less digits than its factorization.

74081481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24693830.

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 74081481 is about 8607.0599509937. The cubic root of 74081481 is about 419.9876810446.

The spelling of 74081481 in words is "seventy-four million, eighty-one thousand, four hundred eighty-one".