83742453 has 6 divisors (see below), whose sum is σ = 120961334. Its totient is φ = 55828296.

The previous prime is 83742409. The next prime is 83742467. The reversal of 83742453 is 35424738.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 49660209 + 34082244 = 7047^2 + 5838^2 .

It is not a de Polignac number, because 83742453 - 2²⁴ = 66965237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83741453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4652350 + ... + 4652367.

Almost surely, 2^83742453 is an apocalyptic number.

It is an amenable number.

83742453 is a deficient number, since it is larger than the sum of its proper divisors (37218881).

83742453 is a wasteful number, since it uses less digits than its factorization.

83742453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9304723 (or 9304720 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 83742453 is about 9151.0902629140. The cubic root of 83742453 is about 437.5038636938.

The spelling of 83742453 in words is "eighty-three million, seven hundred forty-two thousand, four hundred fifty-three".