69072894 has 48 divisors (see below), whose sum is σ = 164571264. Its totient is φ = 20763600.

The previous prime is 69072889. The next prime is 69072917. The reversal of 69072894 is 49827096.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24607 + ... + 27269.

It is an arithmetic number, because the mean of its divisors is an integer number (3428568).

Almost surely, 2^69072894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69072894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82285632).

69072894 is an abundant number, since it is smaller than the sum of its proper divisors (95498370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69072894 is a wasteful number, since it uses less digits than its factorization.

69072894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2813 (or 2810 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 69072894 is about 8311.0104078866. The cubic root of 69072894 is about 410.3009767019.

It can be divided in two parts, 6907 and 2894, that added together give a square (9801 = 99²).

The spelling of 69072894 in words is "sixty-nine million, seventy-two thousand, eight hundred ninety-four".