7420543477 has 8 divisors (see below), whose sum is σ = 7516756800. Its totient is φ = 7324615584.

The previous prime is 7420543463. The next prime is 7420543511. The reversal of 7420543477 is 7743450247.

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

It is a cyclic number.

It is not a de Polignac number, because 7420543477 - 2¹⁵ = 7420510709 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 (7420543447) 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 7 ways as a sum of consecutive naturals, for example, 18777 + ... + 123262.

It is an arithmetic number, because the mean of its divisors is an integer number (939594600).

Almost surely, 2^7420543477 is an apocalyptic number.

It is an amenable number.

7420543477 is a deficient number, since it is larger than the sum of its proper divisors (96213323).

7420543477 is a wasteful number, since it uses less digits than its factorization.

7420543477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142715.

The product of its (nonzero) digits is 658560, while the sum is 43.

The square root of 7420543477 is about 86142.5764474223. The cubic root of 7420543477 is about 1950.4967813409.

The spelling of 7420543477 in words is "seven billion, four hundred twenty million, five hundred forty-three thousand, four hundred seventy-seven".