7405600421 has 8 divisors (see below), whose sum is σ = 7728903360. Its totient is φ = 7082407552.

The previous prime is 7405600393. The next prime is 7405600427. The reversal of 7405600421 is 1240065047.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7405600421 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 (7405600427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128981 + ... + 177333.

It is an arithmetic number, because the mean of its divisors is an integer number (966112920).

Almost surely, 2^7405600421 is an apocalyptic number.

It is an amenable number.

7405600421 is a deficient number, since it is larger than the sum of its proper divisors (323302939).

7405600421 is a wasteful number, since it uses less digits than its factorization.

7405600421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55035.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 7405600421 is about 86055.7982997078. The cubic root of 7405600421 is about 1949.1866361085.

Adding to 7405600421 its reverse (1240065047), we get a palindrome (8645665468).

The spelling of 7405600421 in words is "seven billion, four hundred five million, six hundred thousand, four hundred twenty-one".