84744080 has 40 divisors (see below), whose sum is σ = 203391744. Its totient is φ = 32803200.

The previous prime is 84744073. The next prime is 84744103. The reversal of 84744080 is 8044748.

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

It is a self number, because there is not a number n which added to its sum of digits gives 84744080.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14606 + ... + 19565.

Almost surely, 2^84744080 is an apocalyptic number.

84744080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84744080 is an abundant number, since it is smaller than the sum of its proper divisors (118647664).

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

84744080 is a wasteful number, since it uses less digits than its factorization.

84744080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34215 (or 34209 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 84744080 is about 9205.6547838815. The cubic root of 84744080 is about 439.2412543379.

The spelling of 84744080 in words is "eighty-four million, seven hundred forty-four thousand, eighty".