83715749 has 8 divisors (see below), whose sum is σ = 91684320. Its totient is φ = 75965616.

The previous prime is 83715713. The next prime is 83715773. The reversal of 83715749 is 94751738.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83715749 - 2¹⁶ = 83650213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83715449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53807 + ... + 55340.

It is an arithmetic number, because the mean of its divisors is an integer number (11460540).

Almost surely, 2^83715749 is an apocalyptic number.

It is an amenable number.

83715749 is a deficient number, since it is larger than the sum of its proper divisors (7968571).

83715749 is a wasteful number, since it uses less digits than its factorization.

83715749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109219.

The product of its digits is 211680, while the sum is 44.

The square root of 83715749 is about 9149.6310854591. The cubic root of 83715749 is about 437.4573546460.

The spelling of 83715749 in words is "eighty-three million, seven hundred fifteen thousand, seven hundred forty-nine".