76436 has 12 divisors (see below), whose sum is σ = 135828. Its totient is φ = 37632.

The previous prime is 76423. The next prime is 76441. The reversal of 76436 is 63467.

It can be written as a sum of positive squares in 2 ways, for example, as 59536 + 16900 = 244^2 + 130^2 .

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

76436 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290 + ... + 486.

It is an arithmetic number, because the mean of its divisors is an integer number (11319).

2⁷⁶⁴³⁶ is an apocalyptic number.

It is an amenable number.

76436 is a deficient number, since it is larger than the sum of its proper divisors (59392).

76436 is a wasteful number, since it uses less digits than its factorization.

76436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 296 counting only the distinct ones).

The product of its digits is 3024, while the sum is 26.

The square root of 76436 is about 276.4706132666. The cubic root of 76436 is about 42.4390822750.

It can be divided in two parts, 76 and 436, that added together give a 9-th power (512 = 2⁹).

The spelling of 76436 in words is "seventy-six thousand, four hundred thirty-six".