74587349 has 2 divisors, whose sum is σ = 74587350. Its totient is φ = 74587348.

The previous prime is 74587343. The next prime is 74587351. The reversal of 74587349 is 94378547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64915249 + 9672100 = 8057^2 + 3110^2 .

It is a cyclic number.

It is not a de Polignac number, because 74587349 - 2¹² = 74583253 is a prime.

Together with 74587351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74587343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37293674 + 37293675.

It is an arithmetic number, because the mean of its divisors is an integer number (37293675).

Almost surely, 2^74587349 is an apocalyptic number.

It is an amenable number.

74587349 is a deficient number, since it is larger than the sum of its proper divisors (1).

74587349 is an equidigital number, since it uses as much as digits as its factorization.

74587349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 47.

The square root of 74587349 is about 8636.3967602236. The cubic root of 74587349 is about 420.9414801973.

It can be divided in two parts, 74 and 587349, that multiplied together give a triangular number (43463826 = T₉₃₂₃).

The spelling of 74587349 in words is "seventy-four million, five hundred eighty-seven thousand, three hundred forty-nine".