69847371272 has 16 divisors (see below), whose sum is σ = 149672938560. Its totient is φ = 29934587664.

The previous prime is 69847371271. The next prime is 69847371287. The reversal of 69847371272 is 27217374896.

It is a happy number.

It is a super-2 number, since 2×69847371272² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56), and also a Moran number because the ratio is a prime number: 1247274487 = 69847371272 / (6 + 9 + 8 + 4 + 7 + 3 + 7 + 1 + 2 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (69847371271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623637188 + ... + 623637299.

It is an arithmetic number, because the mean of its divisors is an integer number (9354558660).

Almost surely, 2^69847371272 is an apocalyptic number.

It is an amenable number.

69847371272 is an abundant number, since it is smaller than the sum of its proper divisors (79825567288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69847371272 is a wasteful number, since it uses less digits than its factorization.

69847371272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247274500 (or 1247274496 counting only the distinct ones).

The product of its digits is 7112448, while the sum is 56.

The spelling of 69847371272 in words is "sixty-nine billion, eight hundred forty-seven million, three hundred seventy-one thousand, two hundred seventy-two".