72352648 has 16 divisors (see below), whose sum is σ = 135751500. Its totient is φ = 36152256.

The previous prime is 72352613. The next prime is 72352673. The reversal of 72352648 is 84625327.

It can be written as a sum of positive squares in 2 ways, for example, as 72284004 + 68644 = 8502^2 + 262^2 .

It is a super-2 number, since 2×72352648² = 10469811345223808, which contains 22 as substring.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 21718 + ... + 24826.

Almost surely, 2^72352648 is an apocalyptic number.

It is an amenable number.

72352648 is a deficient number, since it is larger than the sum of its proper divisors (63398852).

72352648 is a wasteful number, since it uses less digits than its factorization.

72352648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6024 (or 6020 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 72352648 is about 8506.0359745301. The cubic root of 72352648 is about 416.6948600301.

The spelling of 72352648 in words is "seventy-two million, three hundred fifty-two thousand, six hundred forty-eight".