74737723 has 2 divisors, whose sum is σ = 74737724. Its totient is φ = 74737722.

The previous prime is 74737717. The next prime is 74737739. The reversal of 74737723 is 32773747.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74737723 - 2¹³ = 74729531 is a prime.

It is not a weakly prime, because it can be changed into another prime (74737783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37368861 + 37368862.

It is an arithmetic number, because the mean of its divisors is an integer number (37368862).

Almost surely, 2^74737723 is an apocalyptic number.

74737723 is a deficient number, since it is larger than the sum of its proper divisors (1).

74737723 is an equidigital number, since it uses as much as digits as its factorization.

74737723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172872, while the sum is 40.

The square root of 74737723 is about 8645.0982064983. The cubic root of 74737723 is about 421.2241740867.

The spelling of 74737723 in words is "seventy-four million, seven hundred thirty-seven thousand, seven hundred twenty-three".