72609682 has 16 divisors (see below), whose sum is σ = 111245400. Its totient is φ = 35531392.

The previous prime is 72609679. The next prime is 72609701. The reversal of 72609682 is 28690627.

It can be written as a sum of positive squares in 4 ways, for example, as 70241161 + 2368521 = 8381^2 + 1539^2 .

It is a super-2 number, since 2×72609682² = 10544331840282248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68694 + ... + 69742.

Almost surely, 2^72609682 is an apocalyptic number.

72609682 is a deficient number, since it is larger than the sum of its proper divisors (38635718).

72609682 is a wasteful number, since it uses less digits than its factorization.

72609682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 72609682 is about 8521.1314976357. The cubic root of 72609682 is about 417.1877153660.

The spelling of 72609682 in words is "seventy-two million, six hundred nine thousand, six hundred eighty-two".