69378944 has 16 divisors (see below), whose sum is σ = 138216120. Its totient is φ = 34689408.

The previous prime is 69378943. The next prime is 69378977. The reversal of 69378944 is 44987396.

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 69378892 and 69378901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69378941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270884 + ... + 271139.

Almost surely, 2^69378944 is an apocalyptic number.

69378944 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

69378944 is a deficient number, since it is larger than the sum of its proper divisors (68837176).

69378944 is an equidigital number, since it uses as much as digits as its factorization.

69378944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542037 (or 542025 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 50.

The square root of 69378944 is about 8329.4023795228. The cubic root of 69378944 is about 410.9060746806.

The spelling of 69378944 in words is "sixty-nine million, three hundred seventy-eight thousand, nine hundred forty-four".