69423381 has 6 divisors (see below), whose sum is σ = 100278230. Its totient is φ = 46282248.

The previous prime is 69423379. The next prime is 69423401. The reversal of 69423381 is 18332496.

It can be written as a sum of positive squares in only one way, i.e., 59444100 + 9979281 = 7710^2 + 3159^2 .

It is not a de Polignac number, because 69423381 - 2¹ = 69423379 is a prime.

It is a super-2 number, since 2×69423381² = 9639211658942322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69423301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3856846 + ... + 3856863.

Almost surely, 2^69423381 is an apocalyptic number.

It is an amenable number.

69423381 is a deficient number, since it is larger than the sum of its proper divisors (30854849).

69423381 is a wasteful number, since it uses less digits than its factorization.

69423381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7713715 (or 7713712 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 69423381 is about 8332.0694308197. The cubic root of 69423381 is about 410.9937839826.

The spelling of 69423381 in words is "sixty-nine million, four hundred twenty-three thousand, three hundred eighty-one".