56472739 has 2 divisors, whose sum is σ = 56472740. Its totient is φ = 56472738.

The previous prime is 56472733. The next prime is 56472799. The reversal of 56472739 is 93727465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56472739 - 2¹¹ = 56470691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56472695 and 56472704.

It is not a weakly prime, because it can be changed into another prime (56472733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28236369 + 28236370.

It is an arithmetic number, because the mean of its divisors is an integer number (28236370).

Almost surely, 2^56472739 is an apocalyptic number.

56472739 is a deficient number, since it is larger than the sum of its proper divisors (1).

56472739 is an equidigital number, since it uses as much as digits as its factorization.

56472739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 43.

The square root of 56472739 is about 7514.8345956515. The cubic root of 56472739 is about 383.6597893680.

The spelling of 56472739 in words is "fifty-six million, four hundred seventy-two thousand, seven hundred thirty-nine".