740655 has 24 divisors (see below), whose sum is σ = 1304160. Its totient is φ = 388800.

The previous prime is 740653. The next prime is 740659. The reversal of 740655 is 556047.

740655 is a `hidden beast` number, since 7 + 4 + 0 + 655 = 666.

It is not a de Polignac number, because 740655 - 2¹ = 740653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4830 + ... + 4980.

It is an arithmetic number, because the mean of its divisors is an integer number (54340).

2⁷⁴⁰⁶⁵⁵ is an apocalyptic number.

740655 is a deficient number, since it is larger than the sum of its proper divisors (563505).

740655 is a wasteful number, since it uses less digits than its factorization.

740655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 740655 is about 860.6131535132. The cubic root of 740655 is about 90.4770960425.

The spelling of 740655 in words is "seven hundred forty thousand, six hundred fifty-five".