83742537 has 4 divisors (see below), whose sum is σ = 111656720. Its totient is φ = 55828356.

The previous prime is 83742511. The next prime is 83742577. The reversal of 83742537 is 73524738.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 83742537 - 2⁷ = 83742409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83742495 and 83742504.

It is not an unprimeable number, because it can be changed into a prime (83742577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13957087 + ... + 13957092.

It is an arithmetic number, because the mean of its divisors is an integer number (27914180).

Almost surely, 2^83742537 is an apocalyptic number.

It is an amenable number.

83742537 is a deficient number, since it is larger than the sum of its proper divisors (27914183).

83742537 is a wasteful number, since it uses less digits than its factorization.

83742537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27914182.

The product of its digits is 141120, while the sum is 39.

The square root of 83742537 is about 9151.0948525299. The cubic root of 83742537 is about 437.5040099769.

The spelling of 83742537 in words is "eighty-three million, seven hundred forty-two thousand, five hundred thirty-seven".