72533410 has 16 divisors (see below), whose sum is σ = 130942656. Its totient is φ = 28928368.

The previous prime is 72533401. The next prime is 72533411. The reversal of 72533410 is 1433527.

It is a super-2 number, since 2×72533410² = 10522191132456200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72533411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6982 + ... + 13921.

It is an arithmetic number, because the mean of its divisors is an integer number (8183916).

Almost surely, 2^72533410 is an apocalyptic number.

72533410 is a deficient number, since it is larger than the sum of its proper divisors (58409246).

72533410 is a wasteful number, since it uses less digits than its factorization.

72533410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21257.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 72533410 is about 8516.6548597439. The cubic root of 72533410 is about 417.0415875190.

Adding to 72533410 its reverse (1433527), we get a palindrome (73966937).

The spelling of 72533410 in words is "seventy-two million, five hundred thirty-three thousand, four hundred ten".