7347143421 has 32 divisors (see below), whose sum is σ = 11547852800. Its totient is φ = 4603722480.

The previous prime is 7347143407. The next prime is 7347143449. The reversal of 7347143421 is 1243417437.

It is not a de Polignac number, because 7347143421 - 2¹⁵ = 7347110653 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 (7347143471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8766 + ... + 121536.

It is an arithmetic number, because the mean of its divisors is an integer number (360870400).

Almost surely, 2^7347143421 is an apocalyptic number.

It is an amenable number.

7347143421 is a deficient number, since it is larger than the sum of its proper divisors (4200709379).

7347143421 is a wasteful number, since it uses less digits than its factorization.

7347143421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112926 (or 112920 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 7347143421 is about 85715.4794713300. The cubic root of 7347143421 is about 1944.0443686528.

The spelling of 7347143421 in words is "seven billion, three hundred forty-seven million, one hundred forty-three thousand, four hundred twenty-one".