76042345 has 4 divisors (see below), whose sum is σ = 91250820. Its totient is φ = 60833872.

The previous prime is 76042259. The next prime is 76042357. The reversal of 76042345 is 54324067.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33779344 + 42263001 = 5812^2 + 6501^2 .

It is a cyclic number.

It is not a de Polignac number, because 76042345 - 2⁷ = 76042217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7604230 + ... + 7604239.

It is an arithmetic number, because the mean of its divisors is an integer number (22812705).

Almost surely, 2^76042345 is an apocalyptic number.

It is an amenable number.

76042345 is a deficient number, since it is larger than the sum of its proper divisors (15208475).

76042345 is a wasteful number, since it uses less digits than its factorization.

76042345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15208474.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 76042345 is about 8720.2262011946. The cubic root of 76042345 is about 423.6610130954.

The spelling of 76042345 in words is "seventy-six million, forty-two thousand, three hundred forty-five".