84073520 has 40 divisors (see below), whose sum is σ = 196490400. Its totient is φ = 33454080.

The previous prime is 84073513. The next prime is 84073531. The reversal of 84073520 is 2537048.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13280 + ... + 18560.

It is an arithmetic number, because the mean of its divisors is an integer number (4912260).

Almost surely, 2^84073520 is an apocalyptic number.

84073520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84073520 is an abundant number, since it is smaller than the sum of its proper divisors (112416880).

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

84073520 is a wasteful number, since it uses less digits than its factorization.

84073520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5493 (or 5487 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 84073520 is about 9169.1613575070. The cubic root of 84073520 is about 438.0796474633.

The spelling of 84073520 in words is "eighty-four million, seventy-three thousand, five hundred twenty".