84730551 has 8 divisors (see below), whose sum is σ = 117886080. Its totient is φ = 54031032.

The previous prime is 84730543. The next prime is 84730553. The reversal of 84730551 is 15503748.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84730551 - 2³ = 84730543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84730553) 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, 613921 + ... + 614058.

It is an arithmetic number, because the mean of its divisors is an integer number (14735760).

Almost surely, 2^84730551 is an apocalyptic number.

84730551 is a deficient number, since it is larger than the sum of its proper divisors (33155529).

84730551 is a wasteful number, since it uses less digits than its factorization.

84730551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228005.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 84730551 is about 9204.9199344698. The cubic root of 84730551 is about 439.2178788164.

The spelling of 84730551 in words is "eighty-four million, seven hundred thirty thousand, five hundred fifty-one".