75776641 has 8 divisors (see below), whose sum is σ = 76564224. Its totient is φ = 74993520.

The previous prime is 75776639. The next prime is 75776653. The reversal of 75776641 is 14667757.

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

It is a cyclic number.

It is not a de Polignac number, because 75776641 - 2¹ = 75776639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75726641) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 40656 + ... + 42478.

It is an arithmetic number, because the mean of its divisors is an integer number (9570528).

Almost surely, 2^75776641 is an apocalyptic number.

It is an amenable number.

75776641 is a deficient number, since it is larger than the sum of its proper divisors (787583).

75776641 is a wasteful number, since it uses less digits than its factorization.

75776641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231.

The product of its digits is 246960, while the sum is 43.

The square root of 75776641 is about 8704.9779436826. The cubic root of 75776641 is about 423.1669910188.

The spelling of 75776641 in words is "seventy-five million, seven hundred seventy-six thousand, six hundred forty-one".