76712641 has 4 divisors (see below), whose sum is σ = 76803012. Its totient is φ = 76622272.

The previous prime is 76712639. The next prime is 76712651. The reversal of 76712641 is 14621767.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14621767 = 23 ⋅635729.

It can be written as a sum of positive squares in 2 ways, for example, as 52417600 + 24295041 = 7240^2 + 4929^2 .

It is a cyclic number.

It is not a de Polignac number, because 76712641 - 2¹ = 76712639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76712597 and 76712606.

It is not an unprimeable number, because it can be changed into a prime (76712611) 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, 43900 + ... + 45613.

It is an arithmetic number, because the mean of its divisors is an integer number (19200753).

Almost surely, 2^76712641 is an apocalyptic number.

It is an amenable number.

76712641 is a deficient number, since it is larger than the sum of its proper divisors (90371).

76712641 is an equidigital number, since it uses as much as digits as its factorization.

76712641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90370.

The product of its digits is 14112, while the sum is 34.

The square root of 76712641 is about 8758.5752836863. The cubic root of 76712641 is about 424.9021984875.

The spelling of 76712641 in words is "seventy-six million, seven hundred twelve thousand, six hundred forty-one".