7450104020721 has 8 divisors (see below), whose sum is σ = 9939243953184. Its totient is φ = 4963850051040.

The previous prime is 7450104020719. The next prime is 7450104020731. The reversal of 7450104020721 is 1270204010547.

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

It is not a de Polignac number, because 7450104020721 - 2¹ = 7450104020719 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7450104020731) 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, 721484671 + ... + 721494996.

It is an arithmetic number, because the mean of its divisors is an integer number (1242405494148).

Almost surely, 2^{7450104020721} is an apocalyptic number.

It is an amenable number.

7450104020721 is a deficient number, since it is larger than the sum of its proper divisors (2489139932463).

7450104020721 is a wasteful number, since it uses less digits than its factorization.

7450104020721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442981391.

The product of its (nonzero) digits is 15680, while the sum is 33.

The spelling of 7450104020721 in words is "seven trillion, four hundred fifty billion, one hundred four million, twenty thousand, seven hundred twenty-one".