69849240 has 64 divisors (see below), whose sum is σ = 214673760. Its totient is φ = 18170880.

The previous prime is 69849223. The next prime is 69849257. The reversal of 69849240 is 4294896.

It is an interprime number because it is at equal distance from previous prime (69849223) and next prime (69849257).

It is a junction number, because it is equal to n+sod(n) for n = 69849192 and 69849201.

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, 2179 + ... + 12018.

Almost surely, 2^69849240 is an apocalyptic number.

69849240 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 69849240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107336880).

69849240 is an abundant number, since it is smaller than the sum of its proper divisors (144824520).

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

69849240 is a wasteful number, since it uses less digits than its factorization.

69849240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14252 (or 14248 counting only the distinct ones).

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

The square root of 69849240 is about 8357.5857758087. The cubic root of 69849240 is about 411.8324482864.

The spelling of 69849240 in words is "sixty-nine million, eight hundred forty-nine thousand, two hundred forty".