83468745 has 16 divisors (see below), whose sum is σ = 148389120. Its totient is φ = 44516592.

The previous prime is 83468741. The next prime is 83468761. The reversal of 83468745 is 54786438.

It is not a de Polignac number, because 83468745 - 2² = 83468741 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 83468745.

It is not an unprimeable number, because it can be changed into a prime (83468741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309009 + ... + 309278.

It is an arithmetic number, because the mean of its divisors is an integer number (9274320).

Almost surely, 2^83468745 is an apocalyptic number.

It is an amenable number.

83468745 is a deficient number, since it is larger than the sum of its proper divisors (64920375).

83468745 is a wasteful number, since it uses less digits than its factorization.

83468745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618301 (or 618295 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 83468745 is about 9136.1230836718. The cubic root of 83468745 is about 437.0266903111.

The spelling of 83468745 in words is "eighty-three million, four hundred sixty-eight thousand, seven hundred forty-five".