74720803 has 2 divisors, whose sum is σ = 74720804. Its totient is φ = 74720802.

The previous prime is 74720783. The next prime is 74720827. The reversal of 74720803 is 30802747.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74720803 - 2⁵ = 74720771 is a prime.

It is not a weakly prime, because it can be changed into another prime (74720843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37360401 + 37360402.

It is an arithmetic number, because the mean of its divisors is an integer number (37360402).

Almost surely, 2^74720803 is an apocalyptic number.

74720803 is a deficient number, since it is larger than the sum of its proper divisors (1).

74720803 is an equidigital number, since it uses as much as digits as its factorization.

74720803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 74720803 is about 8644.1195618756. The cubic root of 74720803 is about 421.1923844690.

The spelling of 74720803 in words is "seventy-four million, seven hundred twenty thousand, eight hundred three".