72752529 has 8 divisors (see below), whose sum is σ = 97212960. Its totient is φ = 48396896.

The previous prime is 72752527. The next prime is 72752543. The reversal of 72752529 is 92525727.

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

It is a cyclic number.

It is not a de Polignac number, because 72752529 - 2¹ = 72752527 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72752521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24564 + ... + 27365.

It is an arithmetic number, because the mean of its divisors is an integer number (12151620).

Almost surely, 2^72752529 is an apocalyptic number.

It is an amenable number.

72752529 is a deficient number, since it is larger than the sum of its proper divisors (24460431).

72752529 is a wasteful number, since it uses less digits than its factorization.

72752529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52399.

The product of its digits is 88200, while the sum is 39.

The square root of 72752529 is about 8529.5093059331. The cubic root of 72752529 is about 417.4611177291.

The spelling of 72752529 in words is "seventy-two million, seven hundred fifty-two thousand, five hundred twenty-nine".