69693381 has 12 divisors (see below), whose sum is σ = 105045408. Its totient is φ = 44442024.

The previous prime is 69693359. The next prime is 69693383. The reversal of 69693381 is 18339696.

It is a de Polignac number, because none of the positive numbers 2^k-69693381 is a prime.

It is a super-2 number, since 2×69693381² = 9714334710422322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69693383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168135 + ... + 168548.

It is an arithmetic number, because the mean of its divisors is an integer number (8753784).

Almost surely, 2^69693381 is an apocalyptic number.

It is an amenable number.

69693381 is a deficient number, since it is larger than the sum of its proper divisors (35352027).

69693381 is a wasteful number, since it uses less digits than its factorization.

69693381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336712 (or 336709 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 69693381 is about 8348.2561652120. The cubic root of 69693381 is about 411.5259042929.

The spelling of 69693381 in words is "sixty-nine million, six hundred ninety-three thousand, three hundred eighty-one".