74367410081 has 4 divisors (see below), whose sum is σ = 75414838464. Its totient is φ = 73319981700.

The previous prime is 74367410077. The next prime is 74367410099. The reversal of 74367410081 is 18001476347.

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 74367410081 - 2² = 74367410077 is a prime.

It is a super-2 number, since 2×74367410081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74367410011) 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, 523714085 + ... + 523714226.

It is an arithmetic number, because the mean of its divisors is an integer number (18853709616).

Almost surely, 2^74367410081 is an apocalyptic number.

74367410081 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

74367410081 is a deficient number, since it is larger than the sum of its proper divisors (1047428383).

74367410081 is a wasteful number, since it uses less digits than its factorization.

74367410081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047428382.

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 74367410081 in words is "seventy-four billion, three hundred sixty-seven million, four hundred ten thousand, eighty-one".