83743684 has 6 divisors (see below), whose sum is σ = 146551454. Its totient is φ = 41871840.

The previous prime is 83743633. The next prime is 83743721. The reversal of 83743684 is 48634738.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 81721600 + 2022084 = 9040^2 + 1422^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 83743684.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10467957 + ... + 10467964.

Almost surely, 2^83743684 is an apocalyptic number.

It is an amenable number.

83743684 is a deficient number, since it is larger than the sum of its proper divisors (62807770).

83743684 is a wasteful number, since it uses less digits than its factorization.

83743684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20935925 (or 20935923 counting only the distinct ones).

The product of its digits is 387072, while the sum is 43.

The square root of 83743684 is about 9151.1575224121. The cubic root of 83743684 is about 437.5060074277.

It can be divided in two parts, 837 and 43684, that added together give a square (44521 = 211²).

The spelling of 83743684 in words is "eighty-three million, seven hundred forty-three thousand, six hundred eighty-four".