76436305 has 12 divisors (see below), whose sum is σ = 100820916. Its totient is φ = 55589600.

The previous prime is 76436303. The next prime is 76436309. The reversal of 76436305 is 50363467.

It can be written as a sum of positive squares in 2 ways, for example, as 11778624 + 64657681 = 3432^2 + 8041^2 .

It is not a de Polignac number, because 76436305 - 2¹ = 76436303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76436303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62566 + ... + 63775.

It is an arithmetic number, because the mean of its divisors is an integer number (8401743).

Almost surely, 2^76436305 is an apocalyptic number.

It is an amenable number.

76436305 is a deficient number, since it is larger than the sum of its proper divisors (24384611).

76436305 is a wasteful number, since it uses less digits than its factorization.

76436305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126368 (or 126357 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 76436305 is about 8742.7858832297. The cubic root of 76436305 is about 424.3913872264.

The spelling of 76436305 in words is "seventy-six million, four hundred thirty-six thousand, three hundred five".