84350072 has 16 divisors (see below), whose sum is σ = 158373600. Its totient is φ = 42117120.

The previous prime is 84350069. The next prime is 84350087. The reversal of 84350072 is 27005348.

It is a happy number.

It is a super-2 number, since 2×84350072² = 14229869292810368, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 704 + ... + 13007.

It is an arithmetic number, because the mean of its divisors is an integer number (9898350).

Almost surely, 2^84350072 is an apocalyptic number.

It is an amenable number.

84350072 is a deficient number, since it is larger than the sum of its proper divisors (74023528).

84350072 is a wasteful number, since it uses less digits than its factorization.

84350072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14486 (or 14482 counting only the distinct ones).

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

The square root of 84350072 is about 9184.2295267486. The cubic root of 84350072 is about 438.5594624542.

The spelling of 84350072 in words is "eighty-four million, three hundred fifty thousand, seventy-two".