69826140 has 144 divisors (see below), whose sum is σ = 236265120. Its totient is φ = 16588800.

The previous prime is 69826111. The next prime is 69826153. The reversal of 69826140 is 4162896.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 69826095 and 69826104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57540 + ... + 58740.

It is an arithmetic number, because the mean of its divisors is an integer number (1640730).

Almost surely, 2^69826140 is an apocalyptic number.

69826140 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 69826140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118132560).

69826140 is an abundant number, since it is smaller than the sum of its proper divisors (166438980).

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

69826140 is a wasteful number, since it uses less digits than its factorization.

69826140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252 (or 1247 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 69826140 is about 8356.2036834917. The cubic root of 69826140 is about 411.7870439342.

The spelling of 69826140 in words is "sixty-nine million, eight hundred twenty-six thousand, one hundred forty".