84574657 has 8 divisors (see below), whose sum is σ = 88514496. Its totient is φ = 80656752.

The previous prime is 84574631. The next prime is 84574687. The reversal of 84574657 is 75647548.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 84574657 - 2¹⁵ = 84541889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84574627) 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, 2683 + ... + 13279.

It is an arithmetic number, because the mean of its divisors is an integer number (11064312).

Almost surely, 2^84574657 is an apocalyptic number.

It is an amenable number.

84574657 is a deficient number, since it is larger than the sum of its proper divisors (3939839).

84574657 is a wasteful number, since it uses less digits than its factorization.

84574657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10967.

The product of its digits is 940800, while the sum is 46.

The square root of 84574657 is about 9196.4480643344. The cubic root of 84574657 is about 438.9483441278.

The spelling of 84574657 in words is "eighty-four million, five hundred seventy-four thousand, six hundred fifty-seven".