74112001 has 4 divisors (see below), whose sum is σ = 75155904. Its totient is φ = 73068100.

The previous prime is 74111987. The next prime is 74112013. The reversal of 74112001 is 10021147.

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 a de Polignac number, because none of the positive numbers 2^k-74112001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74113001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521845 + ... + 521986.

It is an arithmetic number, because the mean of its divisors is an integer number (18788976).

Almost surely, 2^74112001 is an apocalyptic number.

74112001 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

74112001 is a deficient number, since it is larger than the sum of its proper divisors (1043903).

74112001 is a wasteful number, since it uses less digits than its factorization.

74112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043902.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 74112001 is about 8608.8327315612. The cubic root of 74112001 is about 420.0453484670.

Adding to 74112001 its reverse (10021147), we get a palindrome (84133148).

The spelling of 74112001 in words is "seventy-four million, one hundred twelve thousand, one".