7473337621 has 4 divisors (see below), whose sum is σ = 7866671200. Its totient is φ = 7080004044.

The previous prime is 7473337567. The next prime is 7473337631. The reversal of 7473337621 is 1267333747.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1267333747 = 59 ⋅21480233.

It is a cyclic number.

It is not a de Polignac number, because 7473337621 - 2¹³ = 7473329429 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 (7473337631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196666761 + ... + 196666798.

It is an arithmetic number, because the mean of its divisors is an integer number (1966667800).

Almost surely, 2^7473337621 is an apocalyptic number.

It is an amenable number.

7473337621 is a deficient number, since it is larger than the sum of its proper divisors (393333579).

7473337621 is a wasteful number, since it uses less digits than its factorization.

7473337621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393333578.

The product of its digits is 444528, while the sum is 43.

The square root of 7473337621 is about 86448.4680084037. The cubic root of 7473337621 is about 1955.1115179397. Note that the first 3 decimals are identical.

The spelling of 7473337621 in words is "seven billion, four hundred seventy-three million, three hundred thirty-seven thousand, six hundred twenty-one".