84580642 has 8 divisors (see below), whose sum is σ = 127130832. Its totient is φ = 42203700.

The previous prime is 84580619. The next prime is 84580697. The reversal of 84580642 is 24608548.

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

It is a super-2 number, since 2×84580642² = 14307770002264328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42084 + ... + 44047.

It is an arithmetic number, because the mean of its divisors is an integer number (15891354).

Almost surely, 2^84580642 is an apocalyptic number.

84580642 is a deficient number, since it is larger than the sum of its proper divisors (42550190).

84580642 is a wasteful number, since it uses less digits than its factorization.

84580642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86624.

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 84580642 is about 9196.7734559464. The cubic root of 84580642 is about 438.9586980721.

The spelling of 84580642 in words is "eighty-four million, five hundred eighty thousand, six hundred forty-two".