69838540 has 12 divisors (see below), whose sum is σ = 146660976. Its totient is φ = 27935408.

The previous prime is 69838519. The next prime is 69838553. The reversal of 69838540 is 4583896.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1745944 + ... + 1745983.

It is an arithmetic number, because the mean of its divisors is an integer number (12221748).

Almost surely, 2^69838540 is an apocalyptic number.

It is an amenable number.

69838540 is an abundant number, since it is smaller than the sum of its proper divisors (76822436).

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

69838540 is a wasteful number, since it uses less digits than its factorization.

69838540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491936 (or 3491934 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 69838540 is about 8356.9456142780. The cubic root of 69838540 is about 411.8114180779.

The spelling of 69838540 in words is "sixty-nine million, eight hundred thirty-eight thousand, five hundred forty".