740855 has 4 divisors (see below), whose sum is σ = 889032. Its totient is φ = 592680.

The previous prime is 740849. The next prime is 740891. The reversal of 740855 is 558047.

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

It is not a de Polignac number, because 740855 - 2⁸ = 740599 is a prime.

It is a super-2 number, since 2×740855² = 1097732262050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74081 + ... + 74090.

It is an arithmetic number, because the mean of its divisors is an integer number (222258).

2⁷⁴⁰⁸⁵⁵ is an apocalyptic number.

740855 is a deficient number, since it is larger than the sum of its proper divisors (148177).

740855 is a wasteful number, since it uses less digits than its factorization.

740855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148176.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 740855 is about 860.7293418956. The cubic root of 740855 is about 90.4852391908.

The spelling of 740855 in words is "seven hundred forty thousand, eight hundred fifty-five".