83745572 has 24 divisors (see below), whose sum is σ = 148699320. Its totient is φ = 41264640.

The previous prime is 83745569. The next prime is 83745593. The reversal of 83745572 is 27554738.

It can be written as a sum of positive squares in 4 ways, for example, as 28153636 + 55591936 = 5306^2 + 7456^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104678 + ... + 105474.

It is an arithmetic number, because the mean of its divisors is an integer number (6195805).

Almost surely, 2^83745572 is an apocalyptic number.

It is an amenable number.

83745572 is a deficient number, since it is larger than the sum of its proper divisors (64953748).

83745572 is a wasteful number, since it uses less digits than its factorization.

83745572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151 (or 1149 counting only the distinct ones).

The product of its digits is 235200, while the sum is 41.

The square root of 83745572 is about 9151.2606781798. The cubic root of 83745572 is about 437.5092952583.

The spelling of 83745572 in words is "eighty-three million, seven hundred forty-five thousand, five hundred seventy-two".