72535345 has 8 divisors (see below), whose sum is σ = 92162664. Its totient is φ = 54614784.

The previous prime is 72535327. The next prime is 72535349. The reversal of 72535345 is 54353527.

It can be written as a sum of positive squares in 4 ways, for example, as 13660416 + 58874929 = 3696^2 + 7673^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 72535345 - 2¹³ = 72527153 is a prime.

It is a super-2 number, since 2×72535345² = 10522752548538050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72535345.

It is not an unprimeable number, because it can be changed into a prime (72535349) 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, 426594 + ... + 426763.

It is an arithmetic number, because the mean of its divisors is an integer number (11520333).

Almost surely, 2^72535345 is an apocalyptic number.

It is an amenable number.

72535345 is a deficient number, since it is larger than the sum of its proper divisors (19627319).

72535345 is a wasteful number, since it uses less digits than its factorization.

72535345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853379.

The product of its digits is 63000, while the sum is 34.

The square root of 72535345 is about 8516.7684599266. The cubic root of 72535345 is about 417.0452960091.

It can be divided in two parts, 7 and 2535345, that added together give a palindrome (2535352).

The spelling of 72535345 in words is "seventy-two million, five hundred thirty-five thousand, three hundred forty-five".