740253 has 8 divisors (see below), whose sum is σ = 991008. Its totient is φ = 491504.

The previous prime is 740237. The next prime is 740279. The reversal of 740253 is 352047.

It is a happy number.

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 740253 - 2⁴ = 740237 is a prime.

740253 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1051 + ... + 1607.

It is an arithmetic number, because the mean of its divisors is an integer number (123876).

2⁷⁴⁰²⁵³ is an apocalyptic number.

It is an amenable number.

740253 is a deficient number, since it is larger than the sum of its proper divisors (250755).

740253 is a wasteful number, since it uses less digits than its factorization.

740253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 740253 is about 860.3795674003. The cubic root of 740253 is about 90.4607238786.

The spelling of 740253 in words is "seven hundred forty thousand, two hundred fifty-three".