76053421 has 2 divisors, whose sum is σ = 76053422. Its totient is φ = 76053420.

The previous prime is 76053413. The next prime is 76053431. The reversal of 76053421 is 12435067.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42575625 + 33477796 = 6525^2 + 5786^2 .

It is a cyclic number.

It is not a de Polignac number, because 76053421 - 2³ = 76053413 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76053421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76053431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38026710 + 38026711.

It is an arithmetic number, because the mean of its divisors is an integer number (38026711).

Almost surely, 2^76053421 is an apocalyptic number.

It is an amenable number.

76053421 is a deficient number, since it is larger than the sum of its proper divisors (1).

76053421 is an equidigital number, since it uses as much as digits as its factorization.

76053421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 76053421 is about 8720.8612533396. The cubic root of 76053421 is about 423.6815816421.

Adding to 76053421 its reverse (12435067), we get a palindrome (88488488).

It can be divided in two parts, 7605 and 3421, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 76053421 in words is "seventy-six million, fifty-three thousand, four hundred twenty-one".