740655605 has 8 divisors (see below), whose sum is σ = 897093792. Its totient is φ = 586986448.

The previous prime is 740655589. The next prime is 740655653. The reversal of 740655605 is 506556047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 740655605 - 2⁴ = 740655589 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 691667 + ... + 692736.

It is an arithmetic number, because the mean of its divisors is an integer number (112136724).

Almost surely, 2^740655605 is an apocalyptic number.

It is an amenable number.

740655605 is a deficient number, since it is larger than the sum of its proper divisors (156438187).

740655605 is a wasteful number, since it uses less digits than its factorization.

740655605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384515.

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 740655605 is about 27214.9886092205. The cubic root of 740655605 is about 904.7712067770.

The spelling of 740655605 in words is "seven hundred forty million, six hundred fifty-five thousand, six hundred five".