69009956 has 6 divisors (see below), whose sum is σ = 120767430. Its totient is φ = 34504976.

The previous prime is 69009943. The next prime is 69009961. The reversal of 69009956 is 65990096.

It can be written as a sum of positive squares in only one way, i.e., 44009956 + 25000000 = 6634^2 + 5000^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8626241 + ... + 8626248.

It is an arithmetic number, because the mean of its divisors is an integer number (20127905).

Almost surely, 2^69009956 is an apocalyptic number.

It is an amenable number.

69009956 is a deficient number, since it is larger than the sum of its proper divisors (51757474).

69009956 is a wasteful number, since it uses less digits than its factorization.

69009956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17252493 (or 17252491 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 44.

The square root of 69009956 is about 8307.2231220788. The cubic root of 69009956 is about 410.1763191666.

The spelling of 69009956 in words is "sixty-nine million, nine thousand, nine hundred fifty-six".