74002387 has 2 divisors, whose sum is σ = 74002388. Its totient is φ = 74002386.

The previous prime is 74002361. The next prime is 74002399. The reversal of 74002387 is 78320047.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74002387 - 2⁷ = 74002259 is a prime.

It is not a weakly prime, because it can be changed into another prime (74002987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37001193 + 37001194.

It is an arithmetic number, because the mean of its divisors is an integer number (37001194).

Almost surely, 2^74002387 is an apocalyptic number.

74002387 is a deficient number, since it is larger than the sum of its proper divisors (1).

74002387 is an equidigital number, since it uses as much as digits as its factorization.

74002387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 74002387 is about 8602.4640074806. The cubic root of 74002387 is about 419.8381594896.

The spelling of 74002387 in words is "seventy-four million, two thousand, three hundred eighty-seven".