2372724565 has 4 divisors (see below), whose sum is σ = 2847269484. Its totient is φ = 1898179648.

The previous prime is 2372724559. The next prime is 2372724577. The reversal of 2372724565 is 5654272732.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1564914481 + 807810084 = 39559^2 + 28422^2 .

It is a cyclic number.

It is not a de Polignac number, because 2372724565 - 2¹³ = 2372716373 is a prime.

It is a super-2 number, since 2×2372724565² = 11259643722708878450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237272452 + ... + 237272461.

It is an arithmetic number, because the mean of its divisors is an integer number (711817371).

Almost surely, 2^2372724565 is an apocalyptic number.

It is an amenable number.

2372724565 is a deficient number, since it is larger than the sum of its proper divisors (474544919).

2372724565 is an equidigital number, since it uses as much as digits as its factorization.

2372724565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474544918.

The product of its digits is 705600, while the sum is 43.

The square root of 2372724565 is about 48710.6206591540. The cubic root of 2372724565 is about 1333.7745987739.

The spelling of 2372724565 in words is "two billion, three hundred seventy-two million, seven hundred twenty-four thousand, five hundred sixty-five".