74903473 has 2 divisors, whose sum is σ = 74903474. Its totient is φ = 74903472.

The previous prime is 74903467. The next prime is 74903539. The reversal of 74903473 is 37430947.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49168144 + 25735329 = 7012^2 + 5073^2 .

It is a cyclic number.

It is not a de Polignac number, because 74903473 - 2¹³ = 74895281 is a prime.

It is a super-2 number, since 2×74903473² = 11221060534923458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74903443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37451736 + 37451737.

It is an arithmetic number, because the mean of its divisors is an integer number (37451737).

Almost surely, 2^74903473 is an apocalyptic number.

It is an amenable number.

74903473 is a deficient number, since it is larger than the sum of its proper divisors (1).

74903473 is an equidigital number, since it uses as much as digits as its factorization.

74903473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 74903473 is about 8654.6792545998. The cubic root of 74903473 is about 421.5353349237.

The spelling of 74903473 in words is "seventy-four million, nine hundred three thousand, four hundred seventy-three".