7623782401 has 4 divisors (see below), whose sum is σ = 7829830612. Its totient is φ = 7417734192.

The previous prime is 7623782393. The next prime is 7623782417. The reversal of 7623782401 is 1042873267.

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 6678158400 + 945624001 = 81720^2 + 30751^2 .

It is a cyclic number.

It is not a de Polignac number, because 7623782401 - 2³ = 7623782393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7623782701) 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 3 ways as a sum of consecutive naturals, for example, 103024050 + ... + 103024123.

It is an arithmetic number, because the mean of its divisors is an integer number (1957457653).

Almost surely, 2^7623782401 is an apocalyptic number.

It is an amenable number.

7623782401 is a deficient number, since it is larger than the sum of its proper divisors (206048211).

7623782401 is a wasteful number, since it uses less digits than its factorization.

7623782401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206048210.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 7623782401 is about 87314.2737529208. The cubic root of 7623782401 is about 1968.1438193066.

The spelling of 7623782401 in words is "seven billion, six hundred twenty-three million, seven hundred eighty-two thousand, four hundred one".