72484936 has 8 divisors (see below), whose sum is σ = 135909270. Its totient is φ = 36242464.

The previous prime is 72484933. The next prime is 72484939. The reversal of 72484936 is 63948427.

It is an interprime number because it is at equal distance from previous prime (72484933) and next prime (72484939).

It can be written as a sum of positive squares in only one way, i.e., 63520900 + 8964036 = 7970^2 + 2994^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 72484892 and 72484901.

It is not an unprimeable number, because it can be changed into a prime (72484931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4530301 + ... + 4530316.

Almost surely, 2^72484936 is an apocalyptic number.

It is an amenable number.

72484936 is a deficient number, since it is larger than the sum of its proper divisors (63424334).

72484936 is a wasteful number, since it uses less digits than its factorization.

72484936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9060623 (or 9060619 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The square root of 72484936 is about 8513.8085484700. The cubic root of 72484936 is about 416.9486640007.

The spelling of 72484936 in words is "seventy-two million, four hundred eighty-four thousand, nine hundred thirty-six".