72529166 has 8 divisors (see below), whose sum is σ = 113523984. Its totient is φ = 34687840.

The previous prime is 72529153. The next prime is 72529169. The reversal of 72529166 is 66192527.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72529169) 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, 788315 + ... + 788406.

It is an arithmetic number, because the mean of its divisors is an integer number (14190498).

Almost surely, 2^72529166 is an apocalyptic number.

72529166 is a deficient number, since it is larger than the sum of its proper divisors (40994818).

72529166 is a wasteful number, since it uses less digits than its factorization.

72529166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576746.

The product of its digits is 45360, while the sum is 38.

The square root of 72529166 is about 8516.4056972411. The cubic root of 72529166 is about 417.0334535248.

The spelling of 72529166 in words is "seventy-two million, five hundred twenty-nine thousand, one hundred sixty-six".