74311001 has 2 divisors, whose sum is σ = 74311002. Its totient is φ = 74311000.

The previous prime is 74310991. The next prime is 74311019. The reversal of 74311001 is 10011347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37393225 + 36917776 = 6115^2 + 6076^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74311001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74311201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37155500 + 37155501.

It is an arithmetic number, because the mean of its divisors is an integer number (37155501).

Almost surely, 2^74311001 is an apocalyptic number.

It is an amenable number.

74311001 is a deficient number, since it is larger than the sum of its proper divisors (1).

74311001 is an equidigital number, since it uses as much as digits as its factorization.

74311001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 74311001 is about 8620.3828801278. The cubic root of 74311001 is about 420.4209705838.

Adding to 74311001 its reverse (10011347), we get a palindrome (84322348).

The spelling of 74311001 in words is "seventy-four million, three hundred eleven thousand, one".