83264740 has 48 divisors (see below), whose sum is σ = 189121968. Its totient is φ = 30610944.

The previous prime is 83264737. The next prime is 83264789. The reversal of 83264740 is 4746238.

It can be written as a sum of positive squares in 8 ways, for example, as 9339136 + 73925604 = 3056^2 + 8598^2 .

It is a junction number, because it is equal to n+sod(n) for n = 83264696 and 83264705.

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 15 ways as a sum of consecutive naturals, for example, 75634 + ... + 76726.

It is an arithmetic number, because the mean of its divisors is an integer number (3940041).

Almost surely, 2^83264740 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 83264740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94560984).

83264740 is an abundant number, since it is smaller than the sum of its proper divisors (105857228).

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

83264740 is a wasteful number, since it uses less digits than its factorization.

83264740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408 (or 1406 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 83264740 is about 9124.9515067205. The cubic root of 83264740 is about 436.6703558792.

The spelling of 83264740 in words is "eighty-three million, two hundred sixty-four thousand, seven hundred forty".