74272303 has 16 divisors (see below), whose sum is σ = 90132480. Its totient is φ = 59746176.

The previous prime is 74272243. The next prime is 74272333. The reversal of 74272303 is 30327247.

It is not a de Polignac number, because 74272303 - 2¹³ = 74264111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74272333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56350 + ... + 57652.

It is an arithmetic number, because the mean of its divisors is an integer number (5633280).

Almost surely, 2^74272303 is an apocalyptic number.

74272303 is a deficient number, since it is larger than the sum of its proper divisors (15860177).

74272303 is a wasteful number, since it uses less digits than its factorization.

74272303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 74272303 is about 8618.1380239585. The cubic root of 74272303 is about 420.3479788084.

It can be divided in two parts, 7427 and 2303, that added together give a triangular number (9730 = T₁₃₉).

The spelling of 74272303 in words is "seventy-four million, two hundred seventy-two thousand, three hundred three".