7421403446 has 8 divisors (see below), whose sum is σ = 11170099584. Its totient is φ = 3698036920.

The previous prime is 7421403443. The next prime is 7421403463. The reversal of 7421403446 is 6443041247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×7421403446⁴ (a number of 41 digits) contains 4444 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7421403443) 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, 6331670 + ... + 6332841.

It is an arithmetic number, because the mean of its divisors is an integer number (1396262448).

Almost surely, 2^7421403446 is an apocalyptic number.

7421403446 is a deficient number, since it is larger than the sum of its proper divisors (3748696138).

7421403446 is a wasteful number, since it uses less digits than its factorization.

7421403446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12664806.

The product of its (nonzero) digits is 64512, while the sum is 35.

The square root of 7421403446 is about 86147.5678472701. The cubic root of 7421403446 is about 1950.5721263152.

The spelling of 7421403446 in words is "seven billion, four hundred twenty-one million, four hundred three thousand, four hundred forty-six".