7406367641 has 4 divisors (see below), whose sum is σ = 7406581284. Its totient is φ = 7406154000.

The previous prime is 7406367629. The next prime is 7406367649. The reversal of 7406367641 is 1467636047.

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 979940416 + 6426427225 = 31304^2 + 80165^2 .

It is a cyclic number.

It is not a de Polignac number, because 7406367641 - 2²⁶ = 7339258777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7406367592 and 7406367601.

It is not an unprimeable number, because it can be changed into a prime (7406367649) 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, 41510 + ... + 128591.

It is an arithmetic number, because the mean of its divisors is an integer number (1851645321).

Almost surely, 2^7406367641 is an apocalyptic number.

It is an amenable number.

7406367641 is a deficient number, since it is larger than the sum of its proper divisors (213643).

7406367641 is a wasteful number, since it uses less digits than its factorization.

7406367641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213642.

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

The square root of 7406367641 is about 86060.2558734286. The cubic root of 7406367641 is about 1949.2539456781.

The spelling of 7406367641 in words is "seven billion, four hundred six million, three hundred sixty-seven thousand, six hundred forty-one".