69813642 has 32 divisors (see below), whose sum is σ = 141571584. Its totient is φ = 22950000.

The previous prime is 69813637. The next prime is 69813677. The reversal of 69813642 is 24631896.

It is a self number, because there is not a number n which added to its sum of digits gives 69813642.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227253 + ... + 227559.

It is an arithmetic number, because the mean of its divisors is an integer number (4424112).

Almost surely, 2^69813642 is an apocalyptic number.

69813642 is an abundant number, since it is smaller than the sum of its proper divisors (71757942).

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

69813642 is a wasteful number, since it uses less digits than its factorization.

69813642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714.

The product of its digits is 62208, while the sum is 39.

The square root of 69813642 is about 8355.4558223953. The cubic root of 69813642 is about 411.7624742360.

The spelling of 69813642 in words is "sixty-nine million, eight hundred thirteen thousand, six hundred forty-two".