74507087 has 2 divisors, whose sum is σ = 74507088. Its totient is φ = 74507086.

The previous prime is 74507077. The next prime is 74507093. The reversal of 74507087 is 78070547.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74507087 - 2¹² = 74502991 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74507087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74507077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37253543 + 37253544.

It is an arithmetic number, because the mean of its divisors is an integer number (37253544).

Almost surely, 2^74507087 is an apocalyptic number.

74507087 is a deficient number, since it is larger than the sum of its proper divisors (1).

74507087 is an equidigital number, since it uses as much as digits as its factorization.

74507087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54880, while the sum is 38.

The square root of 74507087 is about 8631.7487799403. The cubic root of 74507087 is about 420.7904370179.

The spelling of 74507087 in words is "seventy-four million, five hundred seven thousand, eighty-seven".