72069036 has 36 divisors (see below), whose sum is σ = 182096712. Its totient is φ = 22174464.

The previous prime is 72069013. The next prime is 72069037. The reversal of 72069036 is 63096027.

It is a junction number, because it is equal to n+sod(n) for n = 72068988 and 72069006.

It is not an unprimeable number, because it can be changed into a prime (72069037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15741 + ... + 19796.

It is an arithmetic number, because the mean of its divisors is an integer number (5058242).

Almost surely, 2^72069036 is an apocalyptic number.

It is an amenable number.

72069036 is an abundant number, since it is smaller than the sum of its proper divisors (110027676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72069036 is a wasteful number, since it uses less digits than its factorization.

72069036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35570 (or 35555 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 72069036 is about 8489.3483848880. The cubic root of 72069036 is about 416.1496857167.

The spelling of 72069036 in words is "seventy-two million, sixty-nine thousand, thirty-six".