7421474561437 has 16 divisors (see below), whose sum is σ = 7748436234240. Its totient is φ = 7094871547632.

The previous prime is 7421474561401. The next prime is 7421474561471. The reversal of 7421474561437 is 7341654741247.

It is not a de Polignac number, because 7421474561437 - 2¹⁵ = 7421474528669 is a prime.

It is a super-2 number, since 2×7421474561437² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7421474564437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360903718 + ... + 360924280.

It is an arithmetic number, because the mean of its divisors is an integer number (484277264640).

Almost surely, 2^{7421474561437} is an apocalyptic number.

It is an amenable number.

7421474561437 is a deficient number, since it is larger than the sum of its proper divisors (326961672803).

7421474561437 is a wasteful number, since it uses less digits than its factorization.

7421474561437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28512.

The product of its digits is 15805440, while the sum is 55.

The spelling of 7421474561437 in words is "seven trillion, four hundred twenty-one billion, four hundred seventy-four million, five hundred sixty-one thousand, four hundred thirty-seven".