72552030 has 16 divisors (see below), whose sum is σ = 174124944. Its totient is φ = 19347200.

The previous prime is 72552019. The next prime is 72552061. The reversal of 72552030 is 3025527.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1209171 + ... + 1209230.

It is an arithmetic number, because the mean of its divisors is an integer number (10882809).

Almost surely, 2^72552030 is an apocalyptic number.

72552030 is an abundant number, since it is smaller than the sum of its proper divisors (101572914).

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

72552030 is a wasteful number, since it uses less digits than its factorization.

72552030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2418411.

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 72552030 is about 8517.7479417978. The cubic root of 72552030 is about 417.0772706154.

Adding to 72552030 its reverse (3025527), we get a palindrome (75577557).

The spelling of 72552030 in words is "seventy-two million, five hundred fifty-two thousand, thirty".