74313587 has 2 divisors, whose sum is σ = 74313588. Its totient is φ = 74313586.

The previous prime is 74313583. The next prime is 74313611. The reversal of 74313587 is 78531347.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74313587 - 2² = 74313583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74313587.

It is not a weakly prime, because it can be changed into another prime (74313581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37156793 + 37156794.

It is an arithmetic number, because the mean of its divisors is an integer number (37156794).

Almost surely, 2^74313587 is an apocalyptic number.

74313587 is a deficient number, since it is larger than the sum of its proper divisors (1).

74313587 is an equidigital number, since it uses as much as digits as its factorization.

74313587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 38.

The square root of 74313587 is about 8620.5328721605. The cubic root of 74313587 is about 420.4258473674.

The spelling of 74313587 in words is "seventy-four million, three hundred thirteen thousand, five hundred eighty-seven".