72452316 has 12 divisors (see below), whose sum is σ = 169055432. Its totient is φ = 24150768.

The previous prime is 72452311. The next prime is 72452321. The reversal of 72452316 is 61325427.

It is an interprime number because it is at equal distance from previous prime (72452311) and next prime (72452321).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72452311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3018835 + ... + 3018858.

Almost surely, 2^72452316 is an apocalyptic number.

It is an amenable number.

72452316 is an abundant number, since it is smaller than the sum of its proper divisors (96603116).

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

72452316 is a wasteful number, since it uses less digits than its factorization.

72452316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6037700 (or 6037698 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 72452316 is about 8511.8926215032. The cubic root of 72452316 is about 416.8861089057.

The spelling of 72452316 in words is "seventy-two million, four hundred fifty-two thousand, three hundred sixteen".