69481894 has 16 divisors (see below), whose sum is σ = 107154432. Its totient is φ = 33771528.

The previous prime is 69481889. The next prime is 69481897. The reversal of 69481894 is 49818496.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69481897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17367 + ... + 20989.

It is an arithmetic number, because the mean of its divisors is an integer number (6697152).

Almost surely, 2^69481894 is an apocalyptic number.

69481894 is a deficient number, since it is larger than the sum of its proper divisors (37672538).

69481894 is a wasteful number, since it uses less digits than its factorization.

69481894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3891.

The product of its digits is 497664, while the sum is 49.

The square root of 69481894 is about 8335.5800038150. The cubic root of 69481894 is about 411.1092192809.

The spelling of 69481894 in words is "sixty-nine million, four hundred eighty-one thousand, eight hundred ninety-four".