7641244067 has 4 divisors (see below), whose sum is σ = 7803823776. Its totient is φ = 7478664360.

The previous prime is 7641244063. The next prime is 7641244139. The reversal of 7641244067 is 7604421467.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7641244067 - 2² = 7641244063 is a prime.

It is a super-2 number, since 2×7641244067² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7641244063) 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, 81289784 + ... + 81289877.

It is an arithmetic number, because the mean of its divisors is an integer number (1950955944).

Almost surely, 2^7641244067 is an apocalyptic number.

7641244067 is a deficient number, since it is larger than the sum of its proper divisors (162579709).

7641244067 is a wasteful number, since it uses less digits than its factorization.

7641244067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162579708.

The product of its (nonzero) digits is 225792, while the sum is 41.

The square root of 7641244067 is about 87414.2097544787. The cubic root of 7641244067 is about 1969.6452990708.

The spelling of 7641244067 in words is "seven billion, six hundred forty-one million, two hundred forty-four thousand, sixty-seven".