1447870716 has 72 divisors (see below), whose sum is σ = 3753814064. Its totient is φ = 470292480.

The previous prime is 1447870709. The next prime is 1447870757. The reversal of 1447870716 is 6170787441.

It is a super-2 number, since 2×1447870716² = 4192659220500705312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 892386 + ... + 894006.

Almost surely, 2^1447870716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1447870716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1876907032).

1447870716 is an abundant number, since it is smaller than the sum of its proper divisors (2305943348).

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

1447870716 is a wasteful number, since it uses less digits than its factorization.

1447870716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251 (or 2246 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 45.

The square root of 1447870716 is about 38050.8963889157. The cubic root of 1447870716 is about 1131.2968940564.

The spelling of 1447870716 in words is "one billion, four hundred forty-seven million, eight hundred seventy thousand, seven hundred sixteen".