72683527 has 4 divisors (see below), whose sum is σ = 83066896. Its totient is φ = 62300160.

The previous prime is 72683509. The next prime is 72683537. The reversal of 72683527 is 72538627.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72538627 = 7 ⋅10362661.

It is a cyclic number.

It is not a de Polignac number, because 72683527 - 2¹⁵ = 72650759 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72683527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72683537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5191674 + ... + 5191687.

It is an arithmetic number, because the mean of its divisors is an integer number (20766724).

Almost surely, 2^72683527 is an apocalyptic number.

72683527 is a deficient number, since it is larger than the sum of its proper divisors (10383369).

72683527 is a wasteful number, since it uses less digits than its factorization.

72683527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10383368.

The product of its digits is 141120, while the sum is 40.

The square root of 72683527 is about 8525.4634478133. The cubic root of 72683527 is about 417.3290959097.

The spelling of 72683527 in words is "seventy-two million, six hundred eighty-three thousand, five hundred twenty-seven".