69869340 has 36 divisors (see below), whose sum is σ = 211937544. Its totient is φ = 18631776.

The previous prime is 69869299. The next prime is 69869341. The reversal of 69869340 is 4396896.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69869341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193902 + ... + 194261.

It is an arithmetic number, because the mean of its divisors is an integer number (5887154).

Almost surely, 2^69869340 is an apocalyptic number.

69869340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

69869340 is an abundant number, since it is smaller than the sum of its proper divisors (142068204).

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

69869340 is a wasteful number, since it uses less digits than its factorization.

69869340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388178 (or 388173 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 69869340 is about 8358.7881896840. The cubic root of 69869340 is about 411.8719478253.

The spelling of 69869340 in words is "sixty-nine million, eight hundred sixty-nine thousand, three hundred forty".