69131248 has 40 divisors (see below), whose sum is σ = 145303200. Its totient is φ = 31733760.

The previous prime is 69131243. The next prime is 69131263. The reversal of 69131248 is 84213196.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69131243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8053 + ... + 14251.

It is an arithmetic number, because the mean of its divisors is an integer number (3632580).

Almost surely, 2^69131248 is an apocalyptic number.

69131248 is a gapful number since it is divisible by the number (68) 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 69131248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72651600).

69131248 is an abundant number, since it is smaller than the sum of its proper divisors (76171952).

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

69131248 is a wasteful number, since it uses less digits than its factorization.

69131248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6265 (or 6259 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 69131248 is about 8314.5203108778. The cubic root of 69131248 is about 410.4164873485.

The spelling of 69131248 in words is "sixty-nine million, one hundred thirty-one thousand, two hundred forty-eight".