740285753 has 4 divisors (see below), whose sum is σ = 740439588. Its totient is φ = 740131920.

The previous prime is 740285743. The next prime is 740285759. The reversal of 740285753 is 357582047.

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 235070224 + 505215529 = 15332^2 + 22477^2 .

It is a cyclic number.

It is not a de Polignac number, because 740285753 - 2¹⁰ = 740284729 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 740285753.

It is not an unprimeable number, because it can be changed into a prime (740285759) 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, 69458 + ... + 79403.

It is an arithmetic number, because the mean of its divisors is an integer number (185109897).

Almost surely, 2^740285753 is an apocalyptic number.

It is an amenable number.

740285753 is a deficient number, since it is larger than the sum of its proper divisors (153835).

740285753 is a wasteful number, since it uses less digits than its factorization.

740285753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153834.

The product of its (nonzero) digits is 235200, while the sum is 41.

The square root of 740285753 is about 27208.1927551243. The cubic root of 740285753 is about 904.6205802448.

The spelling of 740285753 in words is "seven hundred forty million, two hundred eighty-five thousand, seven hundred fifty-three".