740765 has 4 divisors (see below), whose sum is σ = 888924. Its totient is φ = 592608.

The previous prime is 740749. The next prime is 740801. The reversal of 740765 is 567047.

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

It can be written as a sum of positive squares in 2 ways, for example, as 357604 + 383161 = 598^2 + 619^2 .

It is a cyclic number.

It is not a de Polignac number, because 740765 - 2⁴ = 740749 is a prime.

It is an Ulam number.

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, 74072 + ... + 74081.

It is an arithmetic number, because the mean of its divisors is an integer number (222231).

2⁷⁴⁰⁷⁶⁵ is an apocalyptic number.

It is an amenable number.

740765 is a deficient number, since it is larger than the sum of its proper divisors (148159).

740765 is a wasteful number, since it uses less digits than its factorization.

740765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148158.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 740765 is about 860.6770590645. The cubic root of 740765 is about 90.4815749555.

The spelling of 740765 in words is "seven hundred forty thousand, seven hundred sixty-five".