69897648 has 40 divisors (see below), whose sum is σ = 184416768. Its totient is φ = 22802752.

The previous prime is 69897647. The next prime is 69897671. The reversal of 69897648 is 84679896.

It is not an unprimeable number, because it can be changed into a prime (69897647) 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, 13236 + ... + 17747.

Almost surely, 2^69897648 is an apocalyptic number.

It is an amenable number.

69897648 is an abundant number, since it is smaller than the sum of its proper divisors (114519120).

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

69897648 is a wasteful number, since it uses less digits than its factorization.

69897648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31041 (or 31035 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 57.

The square root of 69897648 is about 8360.4813258568. The cubic root of 69897648 is about 411.9275644799.

It can be divided in two parts, 698 and 97648, that added together give a triangular number (98346 = T₄₄₃).

The spelling of 69897648 in words is "sixty-nine million, eight hundred ninety-seven thousand, six hundred forty-eight".