72535030 has 16 divisors (see below), whose sum is σ = 130662720. Its totient is φ = 28991872.

The previous prime is 72535019. The next prime is 72535033. The reversal of 72535030 is 3053527.

It is a super-2 number, since 2×72535030² = 10522661154201800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72534986 and 72535004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72535033) 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, 19587 + ... + 22993.

It is an arithmetic number, because the mean of its divisors is an integer number (8166420).

Almost surely, 2^72535030 is an apocalyptic number.

72535030 is a deficient number, since it is larger than the sum of its proper divisors (58127690).

72535030 is a wasteful number, since it uses less digits than its factorization.

72535030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5543.

The product of its (nonzero) digits is 3150, while the sum is 25.

The square root of 72535030 is about 8516.7499669768. The cubic root of 72535030 is about 417.0446923059.

Adding to 72535030 its reverse (3053527), we get a palindrome (75588557).

The spelling of 72535030 in words is "seventy-two million, five hundred thirty-five thousand, thirty".