74959487 has 2 divisors, whose sum is σ = 74959488. Its totient is φ = 74959486.

The previous prime is 74959433. The next prime is 74959517. The reversal of 74959487 is 78495947.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74959487 - 2¹⁴ = 74943103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74959187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37479743 + 37479744.

It is an arithmetic number, because the mean of its divisors is an integer number (37479744).

Almost surely, 2^74959487 is an apocalyptic number.

74959487 is a deficient number, since it is larger than the sum of its proper divisors (1).

74959487 is an equidigital number, since it uses as much as digits as its factorization.

74959487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 53.

The square root of 74959487 is about 8657.9147027445. The cubic root of 74959487 is about 421.6403856687.

The spelling of 74959487 in words is "seventy-four million, nine hundred fifty-nine thousand, four hundred eighty-seven".