7673646401 has 4 divisors (see below), whose sum is σ = 7676040900. Its totient is φ = 7671251904.

The previous prime is 7673646389. The next prime is 7673646503. The reversal of 7673646401 is 1046463767.

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 5535508801 + 2138137600 = 74401^2 + 46240^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7673646401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7673636401) 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, 1192436 + ... + 1198853.

It is an arithmetic number, because the mean of its divisors is an integer number (1919010225).

Almost surely, 2^7673646401 is an apocalyptic number.

It is an amenable number.

7673646401 is a deficient number, since it is larger than the sum of its proper divisors (2394499).

7673646401 is a wasteful number, since it uses less digits than its factorization.

7673646401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394498.

The product of its (nonzero) digits is 508032, while the sum is 44.

The square root of 7673646401 is about 87599.3516014816. The cubic root of 7673646401 is about 1972.4254356592.

The spelling of 7673646401 in words is "seven billion, six hundred seventy-three million, six hundred forty-six thousand, four hundred one".