69312027 has 4 divisors (see below), whose sum is σ = 92416040. Its totient is φ = 46208016.

The previous prime is 69312007. The next prime is 69312031. The reversal of 69312027 is 72021396.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 69312027 - 2¹¹ = 69309979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69311985 and 69312003.

It is not an unprimeable number, because it can be changed into a prime (69312007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11552002 + ... + 11552007.

It is an arithmetic number, because the mean of its divisors is an integer number (23104010).

Almost surely, 2^69312027 is an apocalyptic number.

69312027 is a deficient number, since it is larger than the sum of its proper divisors (23104013).

69312027 is a wasteful number, since it uses less digits than its factorization.

69312027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23104012.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 69312027 is about 8325.3844956254. The cubic root of 69312027 is about 410.7739238903.

It can be divided in two parts, 693 and 12027, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 69312027 in words is "sixty-nine million, three hundred twelve thousand, twenty-seven".