83476620 has 72 divisors (see below), whose sum is σ = 254820384. Its totient is φ = 22119168.

The previous prime is 83476607. The next prime is 83476621. The reversal of 83476620 is 2667438.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (83476621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28672 + ... + 31448.

It is an arithmetic number, because the mean of its divisors is an integer number (3539172).

Almost surely, 2^83476620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83476620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127410192).

83476620 is an abundant number, since it is smaller than the sum of its proper divisors (171343764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83476620 is a wasteful number, since it uses less digits than its factorization.

83476620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2959 (or 2954 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 83476620 is about 9136.5540550035. The cubic root of 83476620 is about 437.0404338864.

The spelling of 83476620 in words is "eighty-three million, four hundred seventy-six thousand, six hundred twenty".