84745765 has 32 divisors (see below), whose sum is σ = 116798976. Its totient is φ = 58475520.

The previous prime is 84745763. The next prime is 84745783. The reversal of 84745765 is 56754748.

It is a happy number.

It is not a de Polignac number, because 84745765 - 2¹ = 84745763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84745763) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 299314 + ... + 299596.

It is an arithmetic number, because the mean of its divisors is an integer number (3649968).

Almost surely, 2^84745765 is an apocalyptic number.

84745765 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

84745765 is a deficient number, since it is larger than the sum of its proper divisors (32053211).

84745765 is a wasteful number, since it uses less digits than its factorization.

84745765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589.

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

The square root of 84745765 is about 9205.7463032608. The cubic root of 84745765 is about 439.2441655210.

The spelling of 84745765 in words is "eighty-four million, seven hundred forty-five thousand, seven hundred sixty-five".