74382001 has 2 divisors, whose sum is σ = 74382002. Its totient is φ = 74382000.

The previous prime is 74381981. The next prime is 74382029. The reversal of 74382001 is 10028347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66846976 + 7535025 = 8176^2 + 2745^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74382001 is a prime.

It is the 8625-th Hogben number.

It is not a weakly prime, because it can be changed into another prime (74382101) by changing a digit.

It is a nontrivial repunit in base 8624.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37191000 + 37191001.

It is an arithmetic number, because the mean of its divisors is an integer number (37191001).

Almost surely, 2^74382001 is an apocalyptic number.

It is an amenable number.

74382001 is a deficient number, since it is larger than the sum of its proper divisors (1).

74382001 is an equidigital number, since it uses as much as digits as its factorization.

74382001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 74382001 is about 8624.5000434808. The cubic root of 74382001 is about 420.5548241942.

The spelling of 74382001 in words is "seventy-four million, three hundred eighty-two thousand, one".