83748737 has 2 divisors, whose sum is σ = 83748738. Its totient is φ = 83748736.

The previous prime is 83748719. The next prime is 83748757. The reversal of 83748737 is 73784738.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53816896 + 29931841 = 7336^2 + 5471^2 .

It is a cyclic number.

It is not a de Polignac number, because 83748737 - 2¹² = 83744641 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 83748691 and 83748700.

It is not a weakly prime, because it can be changed into another prime (83748757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41874368 + 41874369.

It is an arithmetic number, because the mean of its divisors is an integer number (41874369).

Almost surely, 2^83748737 is an apocalyptic number.

It is an amenable number.

83748737 is a deficient number, since it is larger than the sum of its proper divisors (1).

83748737 is an equidigital number, since it uses as much as digits as its factorization.

83748737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 790272, while the sum is 47.

The square root of 83748737 is about 9151.4336035399. The cubic root of 83748737 is about 437.5148067914.

The spelling of 83748737 in words is "eighty-three million, seven hundred forty-eight thousand, seven hundred thirty-seven".