69869740 has 48 divisors (see below), whose sum is σ = 151633440. Its totient is φ = 27025920.

The previous prime is 69869731. The next prime is 69869743. The reversal of 69869740 is 4796896.

It is not an unprimeable number, because it can be changed into a prime (69869743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113674 + ... + 114286.

It is an arithmetic number, because the mean of its divisors is an integer number (3159030).

Almost surely, 2^69869740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69869740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75816720).

69869740 is an abundant number, since it is smaller than the sum of its proper divisors (81763700).

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

69869740 is a wasteful number, since it uses less digits than its factorization.

69869740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802 (or 800 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 69869740 is about 8358.8121165630. The cubic root of 69869740 is about 411.8727338089.

The spelling of 69869740 in words is "sixty-nine million, eight hundred sixty-nine thousand, seven hundred forty".