69379680 has 48 divisors (see below), whose sum is σ = 218547504. Its totient is φ = 18501120.

The previous prime is 69379613. The next prime is 69379691. The reversal of 69379680 is 8697396.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71791 + ... + 72750.

It is an arithmetic number, because the mean of its divisors is an integer number (4553073).

Almost surely, 2^69379680 is an apocalyptic number.

69379680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

69379680 is an abundant number, since it is smaller than the sum of its proper divisors (149167824).

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

69379680 is a wasteful number, since it uses less digits than its factorization.

69379680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144559 (or 144551 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 69379680 is about 8329.4465602464. The cubic root of 69379680 is about 410.9075276949.

The spelling of 69379680 in words is "sixty-nine million, three hundred seventy-nine thousand, six hundred eighty".