74398007 has 2 divisors, whose sum is σ = 74398008. Its totient is φ = 74398006.

The previous prime is 74398003. The next prime is 74398019. The reversal of 74398007 is 70089347.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74398007 - 2² = 74398003 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74398003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37199003 + 37199004.

It is an arithmetic number, because the mean of its divisors is an integer number (37199004).

Almost surely, 2^74398007 is an apocalyptic number.

74398007 is a deficient number, since it is larger than the sum of its proper divisors (1).

74398007 is an equidigital number, since it uses as much as digits as its factorization.

74398007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 74398007 is about 8625.4279314130. The cubic root of 74398007 is about 420.5849879329.

The spelling of 74398007 in words is "seventy-four million, three hundred ninety-eight thousand, seven".