740089 has 4 divisors (see below), whose sum is σ = 845824. Its totient is φ = 634356.

The previous prime is 740087. The next prime is 740099. The reversal of 740089 is 980047.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 740089 - 2¹ = 740087 is a prime.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (740087) 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, 52857 + ... + 52870.

It is an arithmetic number, because the mean of its divisors is an integer number (211456).

2⁷⁴⁰⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

740089 is a deficient number, since it is larger than the sum of its proper divisors (105735).

740089 is a wasteful number, since it uses less digits than its factorization.

740089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105734.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 740089 is about 860.2842553482. The cubic root of 740089 is about 90.4540429851.

The spelling of 740089 in words is "seven hundred forty thousand, eighty-nine".