45728747 has 2 divisors, whose sum is σ = 45728748. Its totient is φ = 45728746.

The previous prime is 45728743. The next prime is 45728777. The reversal of 45728747 is 74782754.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45728747 - 2² = 45728743 is a prime.

It is a super-2 number, since 2×45728747² = 4182236604380018, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 45728698 and 45728707.

It is not a weakly prime, because it can be changed into another prime (45728741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22864373 + 22864374.

It is an arithmetic number, because the mean of its divisors is an integer number (22864374).

Almost surely, 2^45728747 is an apocalyptic number.

45728747 is a deficient number, since it is larger than the sum of its proper divisors (1).

45728747 is an equidigital number, since it uses as much as digits as its factorization.

45728747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 439040, while the sum is 44.

The square root of 45728747 is about 6762.3033797664. The cubic root of 45728747 is about 357.5991137973.

The spelling of 45728747 in words is "forty-five million, seven hundred twenty-eight thousand, seven hundred forty-seven".