83020472 has 32 divisors (see below), whose sum is σ = 160224480. Its totient is φ = 40310400.

The previous prime is 83020459. The next prime is 83020477. The reversal of 83020472 is 27402038.

It is a super-2 number, since 2×83020472² = 13784797542205568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83020477) 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, 42722 + ... + 44622.

It is an arithmetic number, because the mean of its divisors is an integer number (5007015).

Almost surely, 2^83020472 is an apocalyptic number.

It is an amenable number.

83020472 is a deficient number, since it is larger than the sum of its proper divisors (77204008).

83020472 is a wasteful number, since it uses less digits than its factorization.

83020472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063 (or 2059 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 83020472 is about 9111.5570568372. The cubic root of 83020472 is about 436.2429277759.

The spelling of 83020472 in words is "eighty-three million, twenty thousand, four hundred seventy-two".