83030070 has 16 divisors (see below), whose sum is σ = 199272240. Its totient is φ = 22141344.

The previous prime is 83030063. The next prime is 83030071. The reversal of 83030070 is 7003038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83030071) 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, 1383805 + ... + 1383864.

It is an arithmetic number, because the mean of its divisors is an integer number (12454515).

Almost surely, 2^83030070 is an apocalyptic number.

83030070 is an abundant number, since it is smaller than the sum of its proper divisors (116242170).

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

83030070 is a wasteful number, since it uses less digits than its factorization.

83030070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2767679.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 83030070 is about 9112.0837353484. The cubic root of 83030070 is about 436.2597384821.

The spelling of 83030070 in words is "eighty-three million, thirty thousand, seventy".