69934540 has 24 divisors (see below), whose sum is σ = 158160240. Its totient is φ = 25821888.

The previous prime is 69934537. The next prime is 69934541. The reversal of 69934540 is 4543996.

It is a junction number, because it is equal to n+sod(n) for n = 69934493 and 69934502.

It is not an unprimeable number, because it can be changed into a prime (69934541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134230 + ... + 134749.

It is an arithmetic number, because the mean of its divisors is an integer number (6590010).

Almost surely, 2^69934540 is an apocalyptic number.

It is an amenable number.

69934540 is an abundant number, since it is smaller than the sum of its proper divisors (88225700).

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

69934540 is a wasteful number, since it uses less digits than its factorization.

69934540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269001 (or 268999 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 69934540 is about 8362.6873671087. The cubic root of 69934540 is about 412.0000235649. Note that the first 4 decimals are identical.

The spelling of 69934540 in words is "sixty-nine million, nine hundred thirty-four thousand, five hundred forty".