742597 has 4 divisors (see below), whose sum is σ = 744480. Its totient is φ = 740716.

The previous prime is 742591. The next prime is 742607. The reversal of 742597 is 795247.

742597 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 795247 = 809 ⋅983.

It is a cyclic number.

It is not a de Polignac number, because 742597 - 2¹¹ = 740549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742591) 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, 97 + ... + 1222.

It is an arithmetic number, because the mean of its divisors is an integer number (186120).

2⁷⁴²⁵⁹⁷ is an apocalyptic number.

It is an amenable number.

742597 is a deficient number, since it is larger than the sum of its proper divisors (1883).

742597 is a wasteful number, since it uses less digits than its factorization.

742597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882.

The product of its digits is 17640, while the sum is 34.

The square root of 742597 is about 861.7406802513. The cubic root of 742597 is about 90.5561041169.

Subtracting 742597 from its reverse (795247), we obtain a triangular number (52650 = T₃₂₄).

The spelling of 742597 in words is "seven hundred forty-two thousand, five hundred ninety-seven".