84751045 has 8 divisors (see below), whose sum is σ = 101904120. Its totient is φ = 67665600.

The previous prime is 84751033. The next prime is 84751049. The reversal of 84751045 is 54015748.

It can be written as a sum of positive squares in 4 ways, for example, as 25260676 + 59490369 = 5026^2 + 7713^2 .

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

It is not a de Polignac number, because 84751045 - 2⁵ = 84751013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84751045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84751049) 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, 14106 + ... + 19195.

It is an arithmetic number, because the mean of its divisors is an integer number (12738015).

Almost surely, 2^84751045 is an apocalyptic number.

It is an amenable number.

84751045 is a deficient number, since it is larger than the sum of its proper divisors (17153075).

84751045 is a wasteful number, since it uses less digits than its factorization.

84751045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33815.

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 84751045 is about 9206.0330761952. The cubic root of 84751045 is about 439.2532875541.

The spelling of 84751045 in words is "eighty-four million, seven hundred fifty-one thousand, forty-five".