83740472 has 16 divisors (see below), whose sum is σ = 161257560. Its totient is φ = 40738464.

The previous prime is 83740471. The next prime is 83740483. The reversal of 83740472 is 27404738.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83740471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141158 + ... + 141749.

Almost surely, 2^83740472 is an apocalyptic number.

It is an amenable number.

83740472 is a deficient number, since it is larger than the sum of its proper divisors (77517088).

83740472 is a wasteful number, since it uses less digits than its factorization.

83740472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282950 (or 282946 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 83740472 is about 9150.9820238049. The cubic root of 83740472 is about 437.5004138227.

The spelling of 83740472 in words is "eighty-three million, seven hundred forty thousand, four hundred seventy-two".