740266 has 4 divisors (see below), whose sum is σ = 1110402. Its totient is φ = 370132.

The previous prime is 740237. The next prime is 740279. The reversal of 740266 is 662047.

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

It can be written as a sum of positive squares in only one way, i.e., 632025 + 108241 = 795^2 + 329^2 .

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 740266.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185065 + ... + 185068.

2⁷⁴⁰²⁶⁶ is an apocalyptic number.

740266 is a deficient number, since it is larger than the sum of its proper divisors (370136).

740266 is a wasteful number, since it uses less digits than its factorization.

740266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370135.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 740266 is about 860.3871221723. The cubic root of 740266 is about 90.4612534194.

The spelling of 740266 in words is "seven hundred forty thousand, two hundred sixty-six".