72849553 has 8 divisors (see below), whose sum is σ = 87638720. Its totient is φ = 59155920.

The previous prime is 72849551. The next prime is 72849563. The reversal of 72849553 is 35594827.

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 72849553 - 2¹ = 72849551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72849551) 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, 273738 + ... + 274003.

It is an arithmetic number, because the mean of its divisors is an integer number (10954840).

Almost surely, 2^72849553 is an apocalyptic number.

It is an amenable number.

72849553 is a deficient number, since it is larger than the sum of its proper divisors (14789167).

72849553 is a wasteful number, since it uses less digits than its factorization.

72849553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547767.

The product of its digits is 302400, while the sum is 43.

The square root of 72849553 is about 8535.1949596948. The cubic root of 72849553 is about 417.6466130233.

The spelling of 72849553 in words is "seventy-two million, eight hundred forty-nine thousand, five hundred fifty-three".