84729465 has 12 divisors (see below), whose sum is σ = 146864484. Its totient is φ = 45189024.

The previous prime is 84729461. The next prime is 84729481. The reversal of 84729465 is 56492748.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 43204329 + 41525136 = 6573^2 + 6444^2 .

It is not a de Polignac number, because 84729465 - 2² = 84729461 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1882877 = 84729465 / (8 + 4 + 7 + 2 + 9 + 4 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 84729465.

It is not an unprimeable number, because it can be changed into a prime (84729461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 941394 + ... + 941483.

It is an arithmetic number, because the mean of its divisors is an integer number (12238707).

Almost surely, 2^84729465 is an apocalyptic number.

It is an amenable number.

84729465 is a deficient number, since it is larger than the sum of its proper divisors (62135019).

84729465 is a wasteful number, since it uses less digits than its factorization.

84729465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882888 (or 1882885 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 84729465 is about 9204.8609440882. The cubic root of 84729465 is about 439.2160023084.

The spelling of 84729465 in words is "eighty-four million, seven hundred twenty-nine thousand, four hundred sixty-five".