73752289 has 8 divisors (see below), whose sum is σ = 79615872. Its totient is φ = 67915920.

The previous prime is 73752277. The next prime is 73752313. The reversal of 73752289 is 98225737.

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 73752289 - 2⁵ = 73752257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73752229) 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, 979 + ... + 12184.

It is an arithmetic number, because the mean of its divisors is an integer number (9951984).

Almost surely, 2^73752289 is an apocalyptic number.

It is an amenable number.

73752289 is a deficient number, since it is larger than the sum of its proper divisors (5863583).

73752289 is a wasteful number, since it uses less digits than its factorization.

73752289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13607.

The product of its digits is 211680, while the sum is 43.

The square root of 73752289 is about 8587.9152883572. The cubic root of 73752289 is about 419.3646648839.

The spelling of 73752289 in words is "seventy-three million, seven hundred fifty-two thousand, two hundred eighty-nine".