76803745 has 8 divisors (see below), whose sum is σ = 95342760. Its totient is φ = 59324160.

The previous prime is 76803743. The next prime is 76803751. The reversal of 76803745 is 54730867.

It can be written as a sum of positive squares in 4 ways, for example, as 13075456 + 63728289 = 3616^2 + 7983^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 76803745 - 2¹ = 76803743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76803698 and 76803707.

It is not an unprimeable number, because it can be changed into a prime (76803743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264696 + ... + 264985.

It is an arithmetic number, because the mean of its divisors is an integer number (11917845).

Almost surely, 2^76803745 is an apocalyptic number.

It is an amenable number.

76803745 is a deficient number, since it is larger than the sum of its proper divisors (18539015).

76803745 is a wasteful number, since it uses less digits than its factorization.

76803745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529715.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 76803745 is about 8763.7745863298. The cubic root of 76803745 is about 425.0703366863.

The spelling of 76803745 in words is "seventy-six million, eight hundred three thousand, seven hundred forty-five".