72533662 has 16 divisors (see below), whose sum is σ = 115592400. Its totient is φ = 34017408.

The previous prime is 72533641. The next prime is 72533663. The reversal of 72533662 is 26633527.

It is a super-2 number, since 2×72533662² = 10522264246260488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72533663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6964 + ... + 13912.

It is an arithmetic number, because the mean of its divisors is an integer number (7224525).

Almost surely, 2^72533662 is an apocalyptic number.

72533662 is a deficient number, since it is larger than the sum of its proper divisors (43058738).

72533662 is a wasteful number, since it uses less digits than its factorization.

72533662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7275.

The product of its digits is 45360, while the sum is 34.

The square root of 72533662 is about 8516.6696542721. The cubic root of 72533662 is about 417.0420704889.

The spelling of 72533662 in words is "seventy-two million, five hundred thirty-three thousand, six hundred sixty-two".