83000072 has 16 divisors (see below), whose sum is σ = 159421500. Its totient is φ = 40487680.

The previous prime is 83000041. The next prime is 83000101. The reversal of 83000072 is 27000038.

It can be written as a sum of positive squares in 2 ways, for example, as 82337476 + 662596 = 9074^2 + 814^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126197 + ... + 126852.

Almost surely, 2^83000072 is an apocalyptic number.

83000072 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

83000072 is a deficient number, since it is larger than the sum of its proper divisors (76421428).

83000072 is a wasteful number, since it uses less digits than its factorization.

83000072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253096 (or 253092 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 83000072 is about 9110.4375306568. The cubic root of 83000072 is about 436.2071932776.

The spelling of 83000072 in words is "eighty-three million, seventy-two", and thus it is an aban number and an uban number.