69381952 has 14 divisors (see below), whose sum is σ = 137679938. Its totient is φ = 34690944.

The previous prime is 69381943. The next prime is 69382003. The reversal of 69381952 is 25918396.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 64256256 + 5125696 = 8016^2 + 2264^2 .

It is a junction number, because it is equal to n+sod(n) for n = 69381899 and 69381908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541983 + ... + 542110.

Almost surely, 2^69381952 is an apocalyptic number.

It is an amenable number.

69381952 is a deficient number, since it is larger than the sum of its proper divisors (68297986).

69381952 is a wasteful number, since it uses less digits than its factorization.

69381952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084105 (or 1084095 counting only the distinct ones).

The product of its digits is 116640, while the sum is 43.

The square root of 69381952 is about 8329.5829427409. The cubic root of 69381952 is about 410.9120130222.

The spelling of 69381952 in words is "sixty-nine million, three hundred eighty-one thousand, nine hundred fifty-two".