7463601721 has 8 divisors (see below), whose sum is σ = 7611019200. Its totient is φ = 7317359280.

The previous prime is 7463601713. The next prime is 7463601731. The reversal of 7463601721 is 1271063647.

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 7463601721 - 2³ = 7463601713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7463601731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280926 + ... + 306343.

It is an arithmetic number, because the mean of its divisors is an integer number (951377400).

Almost surely, 2^7463601721 is an apocalyptic number.

7463601721 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

7463601721 is a deficient number, since it is larger than the sum of its proper divisors (147417479).

7463601721 is a wasteful number, since it uses less digits than its factorization.

7463601721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587519.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 7463601721 is about 86392.1392315296. The cubic root of 7463601721 is about 1954.2621409929.

The spelling of 7463601721 in words is "seven billion, four hundred sixty-three million, six hundred one thousand, seven hundred twenty-one".