76265621 has 24 divisors (see below), whose sum is σ = 86614920. Its totient is φ = 66834432.

The previous prime is 76265603. The next prime is 76265627. The reversal of 76265621 is 12656267.

It can be written as a sum of positive squares in 12 ways, for example, as 819025 + 75446596 = 905^2 + 8686^2 .

It is a de Polignac number, because none of the positive numbers 2^k-76265621 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76265627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 674861 + ... + 674973.

It is an arithmetic number, because the mean of its divisors is an integer number (3608955).

Almost surely, 2^76265621 is an apocalyptic number.

It is an amenable number.

76265621 is a deficient number, since it is larger than the sum of its proper divisors (10349299).

76265621 is a wasteful number, since it uses less digits than its factorization.

76265621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 196 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 76265621 is about 8733.0190083384. The cubic root of 76265621 is about 424.0752599437.

The spelling of 76265621 in words is "seventy-six million, two hundred sixty-five thousand, six hundred twenty-one".