69316380 has 216 divisors, whose sum is σ = 253955520. Its totient is φ = 15240960.

The previous prime is 69316369. The next prime is 69316393. The reversal of 69316380 is 8361396.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 255645 + ... + 255915.

It is an arithmetic number, because the mean of its divisors is an integer number (1175720).

Almost surely, 2^69316380 is an apocalyptic number.

69316380 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 69316380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126977760).

69316380 is an abundant number, since it is smaller than the sum of its proper divisors (184639140).

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

69316380 is a wasteful number, since it uses less digits than its factorization.

69316380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 69316380 is about 8325.6459208881. The cubic root of 69316380 is about 410.7825229822.

It can be divided in two parts, 69316 and 380, that added together give a palindrome (69696).

The spelling of 69316380 in words is "sixty-nine million, three hundred sixteen thousand, three hundred eighty".