83307630 has 32 divisors (see below), whose sum is σ = 228501504. Its totient is φ = 19041696.

The previous prime is 83307619. The next prime is 83307643. The reversal of 83307630 is 3670338.

It is a happy number.

It is a super-2 number, since 2×83307630² = 13880322432433800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198142 + ... + 198561.

It is an arithmetic number, because the mean of its divisors is an integer number (7140672).

Almost surely, 2^83307630 is an apocalyptic number.

83307630 is an abundant number, since it is smaller than the sum of its proper divisors (145193874).

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

83307630 is a wasteful number, since it uses less digits than its factorization.

83307630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396720.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 83307630 is about 9127.3013536313. The cubic root of 83307630 is about 436.7453198905.

Adding to 83307630 its reverse (3670338), we get a palindrome (86977968).

The spelling of 83307630 in words is "eighty-three million, three hundred seven thousand, six hundred thirty".