69424040 has 32 divisors (see below), whose sum is σ = 178519680. Its totient is φ = 23802432.

The previous prime is 69424031. The next prime is 69424049. The reversal of 69424040 is 4042496.

It is an interprime number because it is at equal distance from previous prime (69424031) and next prime (69424049).

It is a junction number, because it is equal to n+sod(n) for n = 69423994 and 69424012.

It is not an unprimeable number, because it can be changed into a prime (69424049) 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, 123692 + ... + 124251.

It is an arithmetic number, because the mean of its divisors is an integer number (5578740).

Almost surely, 2^69424040 is an apocalyptic number.

It is an amenable number.

69424040 is an abundant number, since it is smaller than the sum of its proper divisors (109095640).

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

69424040 is a wasteful number, since it uses less digits than its factorization.

69424040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247961 (or 247957 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 69424040 is about 8332.1089767237. The cubic root of 69424040 is about 410.9950844284.

The spelling of 69424040 in words is "sixty-nine million, four hundred twenty-four thousand, forty".