72894895 has 16 divisors (see below), whose sum is σ = 92836800. Its totient is φ = 54756864.

The previous prime is 72894859. The next prime is 72894901. The reversal of 72894895 is 59849827.

It is not a de Polignac number, because 72894895 - 2¹¹ = 72892847 is a prime.

It is a super-2 number, since 2×72894895² = 10627331434122050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51406 + ... + 52804.

It is an arithmetic number, because the mean of its divisors is an integer number (5802300).

Almost surely, 2^72894895 is an apocalyptic number.

72894895 is a deficient number, since it is larger than the sum of its proper divisors (19941905).

72894895 is a wasteful number, since it uses less digits than its factorization.

72894895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034.

The product of its digits is 1451520, while the sum is 52.

The square root of 72894895 is about 8537.8507248604. The cubic root of 72894895 is about 417.7332436407.

The spelling of 72894895 in words is "seventy-two million, eight hundred ninety-four thousand, eight hundred ninety-five".