1740668887 has 4 divisors (see below), whose sum is σ = 1740892680. Its totient is φ = 1740445096.

The previous prime is 1740668863. The next prime is 1740668893. The reversal of 1740668887 is 7888660471.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1740668887 - 2¹⁵ = 1740636119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1740668087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99793 + ... + 115930.

It is an arithmetic number, because the mean of its divisors is an integer number (435223170).

Almost surely, 2^1740668887 is an apocalyptic number.

1740668887 is a deficient number, since it is larger than the sum of its proper divisors (223793).

1740668887 is an equidigital number, since it uses as much as digits as its factorization.

1740668887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223792.

The product of its (nonzero) digits is 3612672, while the sum is 55.

The square root of 1740668887 is about 41721.3241280763. The cubic root of 1740668887 is about 1202.9254749328.

The spelling of 1740668887 in words is "one billion, seven hundred forty million, six hundred sixty-eight thousand, eight hundred eighty-seven".