7400065641 has 8 divisors (see below), whose sum is σ = 10386057120. Its totient is φ = 4673725632.

The previous prime is 7400065597. The next prime is 7400065649. The reversal of 7400065641 is 1465600047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7400065641 - 2¹⁹ = 7399541353 is a prime.

It is a super-2 number, since 2×7400065641² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7400065649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64912800 + ... + 64912913.

It is an arithmetic number, because the mean of its divisors is an integer number (1298257140).

Almost surely, 2^7400065641 is an apocalyptic number.

It is an amenable number.

7400065641 is a deficient number, since it is larger than the sum of its proper divisors (2985991479).

7400065641 is a wasteful number, since it uses less digits than its factorization.

7400065641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129825735.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 7400065641 is about 86023.6342001429. The cubic root of 7400065641 is about 1948.7009222630.

Adding to 7400065641 its reverse (1465600047), we get a palindrome (8865665688).

The spelling of 7400065641 in words is "seven billion, four hundred million, sixty-five thousand, six hundred forty-one".