740553 has 8 divisors (see below), whose sum is σ = 1077216. Its totient is φ = 448800.

The previous prime is 740549. The next prime is 740561. The reversal of 740553 is 355047.

740553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 740553 - 2² = 740549 is a prime.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (740513) 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, 11188 + ... + 11253.

It is an arithmetic number, because the mean of its divisors is an integer number (134652).

2⁷⁴⁰⁵⁵³ is an apocalyptic number.

It is an amenable number.

740553 is a deficient number, since it is larger than the sum of its proper divisors (336663).

740553 is a wasteful number, since it uses less digits than its factorization.

740553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22455.

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 740553 is about 860.5538913979. The cubic root of 740553 is about 90.4729424723.

The spelling of 740553 in words is "seven hundred forty thousand, five hundred fifty-three".