83740538 has 16 divisors (see below), whose sum is σ = 152000064. Its totient is φ = 33777600.

The previous prime is 83740519. The next prime is 83740633. The reversal of 83740538 is 83504738.

It is a happy number.

It is a Curzon number.

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, 175688 + ... + 176163.

It is an arithmetic number, because the mean of its divisors is an integer number (9500004).

Almost surely, 2^83740538 is an apocalyptic number.

83740538 is a deficient number, since it is larger than the sum of its proper divisors (68259526).

83740538 is a wasteful number, since it uses less digits than its factorization.

83740538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351877.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 83740538 is about 9150.9856299745. The cubic root of 83740538 is about 437.5005287613.

The spelling of 83740538 in words is "eighty-three million, seven hundred forty thousand, five hundred thirty-eight".