72535016 has 8 divisors (see below), whose sum is σ = 136003170. Its totient is φ = 36267504.

The previous prime is 72535007. The next prime is 72535019. The reversal of 72535016 is 61053527.

It can be written as a sum of positive squares in only one way, i.e., 56100100 + 16434916 = 7490^2 + 4054^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×72535016² = 10522657092240512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72535016.

It is not an unprimeable number, because it can be changed into a prime (72535019) 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 as a sum of consecutive naturals, namely, 4533431 + ... + 4533446.

Almost surely, 2^72535016 is an apocalyptic number.

It is an amenable number.

72535016 is a deficient number, since it is larger than the sum of its proper divisors (63468154).

72535016 is a wasteful number, since it uses less digits than its factorization.

72535016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9066883 (or 9066879 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 72535016 is about 8516.7491450670. The cubic root of 72535016 is about 417.0446654746.

The spelling of 72535016 in words is "seventy-two million, five hundred thirty-five thousand, sixteen".