69383040 has 64 divisors (see below), whose sum is σ = 221164560. Its totient is φ = 18501632.

The previous prime is 69383011. The next prime is 69383057. The reversal of 69383040 is 4038396.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 69382992 and 69383010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16149 + ... + 19988.

Almost surely, 2^69383040 is an apocalyptic number.

69383040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

69383040 is an abundant number, since it is smaller than the sum of its proper divisors (151781520).

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

69383040 is a wasteful number, since it uses less digits than its factorization.

69383040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36159 (or 36147 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 69383040 is about 8329.6482518771. The cubic root of 69383040 is about 410.9141608907.

The spelling of 69383040 in words is "sixty-nine million, three hundred eighty-three thousand, forty".