720432043 has 2 divisors, whose sum is σ = 720432044. Its totient is φ = 720432042.

The previous prime is 720431993. The next prime is 720432107. The reversal of 720432043 is 340234027.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 720432043 - 2²¹ = 718334891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 720431999 and 720432017.

It is not a weakly prime, because it can be changed into another prime (720442043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360216021 + 360216022.

It is an arithmetic number, because the mean of its divisors is an integer number (360216022).

Almost surely, 2^720432043 is an apocalyptic number.

720432043 is a deficient number, since it is larger than the sum of its proper divisors (1).

720432043 is an equidigital number, since it uses as much as digits as its factorization.

720432043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 720432043 is about 26840.8651686193. The cubic root of 720432043 is about 896.4601874975.

The spelling of 720432043 in words is "seven hundred twenty million, four hundred thirty-two thousand, forty-three".