83630470 has 64 divisors (see below), whose sum is σ = 188822016. Its totient is φ = 25908480.

The previous prime is 83630453. The next prime is 83630473. The reversal of 83630470 is 7403638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83630473) 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 31 ways as a sum of consecutive naturals, for example, 240837 + ... + 241183.

It is an arithmetic number, because the mean of its divisors is an integer number (2950344).

Almost surely, 2^83630470 is an apocalyptic number.

83630470 is an abundant number, since it is smaller than the sum of its proper divisors (105191546).

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

83630470 is a wasteful number, since it uses less digits than its factorization.

83630470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 83630470 is about 9144.9696554991. The cubic root of 83630470 is about 437.3087621335.

It can be divided in two parts, 83630 and 470, that added together give a square (84100 = 290²).

The spelling of 83630470 in words is "eighty-three million, six hundred thirty thousand, four hundred seventy".