7441647421 has 8 divisors (see below), whose sum is σ = 8062072704. Its totient is φ = 6828078000.

The previous prime is 7441647413. The next prime is 7441647427. The reversal of 7441647421 is 1247461447.

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

It is a cyclic number.

It is not a de Polignac number, because 7441647421 - 2³ = 7441647413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7441647427) 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, 1711705 + ... + 1716046.

It is an arithmetic number, because the mean of its divisors is an integer number (1007759088).

Almost surely, 2^7441647421 is an apocalyptic number.

It is an amenable number.

7441647421 is a deficient number, since it is larger than the sum of its proper divisors (620425283).

7441647421 is a wasteful number, since it uses less digits than its factorization.

7441647421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427931.

The product of its digits is 150528, while the sum is 40.

The square root of 7441647421 is about 86264.9837477525. The cubic root of 7441647421 is about 1952.3440949944.

The spelling of 7441647421 in words is "seven billion, four hundred forty-one million, six hundred forty-seven thousand, four hundred twenty-one".