76742441 has 4 divisors (see below), whose sum is σ = 76815300. Its totient is φ = 76669584.

The previous prime is 76742383. The next prime is 76742483. The reversal of 76742441 is 14424767.

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 33235225 + 43507216 = 5765^2 + 6596^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76742441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (76742041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34826 + ... + 36963.

It is an arithmetic number, because the mean of its divisors is an integer number (19203825).

Almost surely, 2^76742441 is an apocalyptic number.

It is an amenable number.

76742441 is a deficient number, since it is larger than the sum of its proper divisors (72859).

76742441 is a wasteful number, since it uses less digits than its factorization.

76742441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72858.

The product of its digits is 37632, while the sum is 35.

The square root of 76742441 is about 8760.2763084277. The cubic root of 76742441 is about 424.9572109170.

The spelling of 76742441 in words is "seventy-six million, seven hundred forty-two thousand, four hundred forty-one".