72380036 has 12 divisors (see below), whose sum is σ = 127032528. Its totient is φ = 36085032.

The previous prime is 72380017. The next prime is 72380039. The reversal of 72380036 is 63008327.

It is a super-2 number, since 2×72380036² = 10477739222722592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72379990 and 72380008.

It is not an unprimeable number, because it can be changed into a prime (72380039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24686 + ... + 27461.

It is an arithmetic number, because the mean of its divisors is an integer number (10586044).

Almost surely, 2^72380036 is an apocalyptic number.

It is an amenable number.

72380036 is a deficient number, since it is larger than the sum of its proper divisors (54652492).

72380036 is a wasteful number, since it uses less digits than its factorization.

72380036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52498 (or 52496 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 72380036 is about 8507.6457378055. The cubic root of 72380036 is about 416.7474312418.

The spelling of 72380036 in words is "seventy-two million, three hundred eighty thousand, thirty-six".