69498240 has 128 divisors (see below), whose sum is σ = 253221120. Its totient is φ = 15882240.

The previous prime is 69498161. The next prime is 69498271. The reversal of 69498240 is 4289496.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 69498192 and 69498201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10855 + ... + 16025.

It is an arithmetic number, because the mean of its divisors is an integer number (1978290).

Almost surely, 2^69498240 is an apocalyptic number.

69498240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69498240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126610560).

69498240 is an abundant number, since it is smaller than the sum of its proper divisors (183722880).

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

69498240 is a wasteful number, since it uses less digits than its factorization.

69498240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5200 (or 5188 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 69498240 is about 8336.5604418129. The cubic root of 69498240 is about 411.1414553259.

The spelling of 69498240 in words is "sixty-nine million, four hundred ninety-eight thousand, two hundred forty".