7370470075721 has 4 divisors (see below), whose sum is σ = 7370491046352. Its totient is φ = 7370449105092.

The previous prime is 7370470075699. The next prime is 7370470075763. The reversal of 7370470075721 is 1275700740737.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7370470075721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7370470075721.

It is not an unprimeable number, because it can be changed into a prime (7370470075121) 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, 9948971 + ... + 10664096.

It is an arithmetic number, because the mean of its divisors is an integer number (1842622761588).

Almost surely, 2^{7370470075721} is an apocalyptic number.

It is an amenable number.

7370470075721 is a deficient number, since it is larger than the sum of its proper divisors (20970631).

7370470075721 is a wasteful number, since it uses less digits than its factorization.

7370470075721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20970630.

The product of its (nonzero) digits is 2016840, while the sum is 50.

The spelling of 7370470075721 in words is "seven trillion, three hundred seventy billion, four hundred seventy million, seventy-five thousand, seven hundred twenty-one".