742020543 has 24 divisors (see below), whose sum is σ = 1171918800. Its totient is φ = 448680960.

The previous prime is 742020527. The next prime is 742020569. The reversal of 742020543 is 345020247.

It is not a de Polignac number, because 742020543 - 2⁴ = 742020527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742020143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36105 + ... + 52797.

It is an arithmetic number, because the mean of its divisors is an integer number (48829950).

Almost surely, 2^742020543 is an apocalyptic number.

742020543 is a deficient number, since it is larger than the sum of its proper divisors (429898257).

742020543 is a wasteful number, since it uses less digits than its factorization.

742020543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17159 (or 17156 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 742020543 is about 27240.0540197702. The cubic root of 742020543 is about 905.3266600556.

The spelling of 742020543 in words is "seven hundred forty-two million, twenty thousand, five hundred forty-three".