83436772 has 12 divisors (see below), whose sum is σ = 146342700. Its totient is φ = 41624576.

The previous prime is 83436751. The next prime is 83436811. The reversal of 83436772 is 27763438.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 61214976 + 22221796 = 7824^2 + 4714^2 .

It is an unprimeable number.

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, 21433 + ... + 25024.

It is an arithmetic number, because the mean of its divisors is an integer number (12195225).

Almost surely, 2^83436772 is an apocalyptic number.

It is an amenable number.

83436772 is a deficient number, since it is larger than the sum of its proper divisors (62905928).

83436772 is a wasteful number, since it uses less digits than its factorization.

83436772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46910 (or 46908 counting only the distinct ones).

The product of its digits is 169344, while the sum is 40.

The square root of 83436772 is about 9134.3731038315. The cubic root of 83436772 is about 436.9708816413.

The spelling of 83436772 in words is "eighty-three million, four hundred thirty-six thousand, seven hundred seventy-two".