74260081 has 4 divisors (see below), whose sum is σ = 84868672. Its totient is φ = 63651492.

The previous prime is 74260051. The next prime is 74260091. The reversal of 74260081 is 18006247.

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 74260081 - 2¹⁹ = 73735793 is a prime.

It is a super-2 number, since 2×74260081² = 11029119260253122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74260001) 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, 5304285 + ... + 5304298.

It is an arithmetic number, because the mean of its divisors is an integer number (21217168).

Almost surely, 2^74260081 is an apocalyptic number.

It is an amenable number.

74260081 is a deficient number, since it is larger than the sum of its proper divisors (10608591).

74260081 is a wasteful number, since it uses less digits than its factorization.

74260081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10608590.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 74260081 is about 8617.4289089032. The cubic root of 74260081 is about 420.3249205277.

The spelling of 74260081 in words is "seventy-four million, two hundred sixty thousand, eighty-one".