7421403437 has 6 divisors (see below), whose sum is σ = 8633061198. Its totient is φ = 6361202904.

The previous prime is 7421403413. The next prime is 7421403443. The reversal of 7421403437 is 7343041247.

7421403437 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3896131561 + 3525271876 = 62419^2 + 59374^2 .

It is not a de Polignac number, because 7421403437 - 2¹² = 7421399341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7421403397 and 7421403406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7421403337) 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 5 ways as a sum of consecutive naturals, for example, 75728558 + ... + 75728655.

It is an arithmetic number, because the mean of its divisors is an integer number (1438843533).

Almost surely, 2^7421403437 is an apocalyptic number.

It is an amenable number.

7421403437 is a deficient number, since it is larger than the sum of its proper divisors (1211657761).

7421403437 is a wasteful number, since it uses less digits than its factorization.

7421403437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151457227 (or 151457220 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 35.

The square root of 7421403437 is about 86147.5677950341. The cubic root of 7421403437 is about 1950.5721255267.

The spelling of 7421403437 in words is "seven billion, four hundred twenty-one million, four hundred three thousand, four hundred thirty-seven".