7421403706 has 4 divisors (see below), whose sum is σ = 11132105562. Its totient is φ = 3710701852.

The previous prime is 7421403637. The next prime is 7421403733. The reversal of 7421403706 is 6073041247.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6632636481 + 788767225 = 81441^2 + 28085^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1855350925 + ... + 1855350928.

Almost surely, 2^7421403706 is an apocalyptic number.

7421403706 is a deficient number, since it is larger than the sum of its proper divisors (3710701856).

7421403706 is a wasteful number, since it uses less digits than its factorization.

7421403706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3710701855.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 7421403706 is about 86147.5693563086. The cubic root of 7421403706 is about 1950.5721490939.

The spelling of 7421403706 in words is "seven billion, four hundred twenty-one million, four hundred three thousand, seven hundred six".