72503852 has 6 divisors (see below), whose sum is σ = 126881748. Its totient is φ = 36251924.

The previous prime is 72503833. The next prime is 72503869. The reversal of 72503852 is 25830527.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9062978 + ... + 9062985.

It is an arithmetic number, because the mean of its divisors is an integer number (21146958).

Almost surely, 2^72503852 is an apocalyptic number.

It is an amenable number.

72503852 is a deficient number, since it is larger than the sum of its proper divisors (54377896).

72503852 is a wasteful number, since it uses less digits than its factorization.

72503852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18125967 (or 18125965 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 72503852 is about 8514.9193771873. The cubic root of 72503852 is about 416.9849304555.

The spelling of 72503852 in words is "seventy-two million, five hundred three thousand, eight hundred fifty-two".