69190240 has 96 divisors (see below), whose sum is σ = 188455680. Its totient is φ = 23514624.

The previous prime is 69190237. The next prime is 69190241. The reversal of 69190240 is 4209196.

It is a happy number.

It is a super-2 number, since 2×69190240² = 9574578622515200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69190241) 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 15 ways as a sum of consecutive naturals, for example, 182371 + ... + 182749.

It is an arithmetic number, because the mean of its divisors is an integer number (1963080).

Almost surely, 2^69190240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69190240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94227840).

69190240 is an abundant number, since it is smaller than the sum of its proper divisors (119265440).

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

69190240 is a wasteful number, since it uses less digits than its factorization.

69190240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 69190240 is about 8318.0670831630. The cubic root of 69190240 is about 410.5331948511.

The spelling of 69190240 in words is "sixty-nine million, one hundred ninety thousand, two hundred forty".