734572609 has 3 divisors (see below), whose sum is σ = 734599713. Its totient is φ = 734545506.

The previous prime is 734572607. The next prime is 734572627. The reversal of 734572609 is 906275437.

The square root of 734572609 is 27103.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 906275437 = 5021 ⋅180497.

It is not a de Polignac number, because 734572609 - 2¹ = 734572607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (734572607) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 13552 + ... + 40654.

It is an arithmetic number, because the mean of its divisors is an integer number (244866571).

Almost surely, 2^734572609 is an apocalyptic number.

734572609 is the 27103-rd square number.

734572609 is the 13552-nd centered octagonal number.

It is an amenable number.

734572609 is a deficient number, since it is larger than the sum of its proper divisors (27104).

734572609 is an frugal number, since it uses more digits than its factorization.

734572609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54206 (or 27103 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 43.

The cubic root of 734572609 is about 902.2874360696.

The spelling of 734572609 in words is "seven hundred thirty-four million, five hundred seventy-two thousand, six hundred nine".