76347285 has 32 divisors (see below), whose sum is σ = 144426240. Its totient is φ = 33696768.

The previous prime is 76347283. The next prime is 76347329. The reversal of 76347285 is 58274367.

76347285 = 91² + 92² + ... + 612².

It is not a de Polignac number, because 76347285 - 2¹ = 76347283 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76347283) 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, 9492 + ... + 15581.

It is an arithmetic number, because the mean of its divisors is an integer number (4513320).

Almost surely, 2^76347285 is an apocalyptic number.

It is an amenable number.

76347285 is a deficient number, since it is larger than the sum of its proper divisors (68078955).

76347285 is a wasteful number, since it uses less digits than its factorization.

76347285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25117.

The product of its digits is 282240, while the sum is 42.

The square root of 76347285 is about 8737.6933455003. The cubic root of 76347285 is about 424.2265702715.

It can be divided in two parts, 76 and 347285, that added together give a triangular number (347361 = T₈₃₃).

The spelling of 76347285 in words is "seventy-six million, three hundred forty-seven thousand, two hundred eighty-five".