740573 has 4 divisors (see below), whose sum is σ = 766140. Its totient is φ = 715008.

The previous prime is 740561. The next prime is 740581. The reversal of 740573 is 375047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 375047 = 113 ⋅3319.

It can be written as a sum of positive squares in 2 ways, for example, as 582169 + 158404 = 763^2 + 398^2 .

It is a cyclic number.

It is not a de Polignac number, because 740573 - 2¹⁰ = 739549 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 12740 + ... + 12797.

It is an arithmetic number, because the mean of its divisors is an integer number (191535).

2⁷⁴⁰⁵⁷³ is an apocalyptic number.

It is an amenable number.

740573 is a deficient number, since it is larger than the sum of its proper divisors (25567).

740573 is a wasteful number, since it uses less digits than its factorization.

740573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25566.

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 740573 is about 860.5655117421. The cubic root of 740573 is about 90.4737569279.

The spelling of 740573 in words is "seven hundred forty thousand, five hundred seventy-three".