74542763 has 4 divisors (see below), whose sum is σ = 75043200. Its totient is φ = 74042328.

The previous prime is 74542729. The next prime is 74542801. The reversal of 74542763 is 36724547.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36724547 = 103 ⋅356549.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74542763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74542703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249995 + ... + 250292.

It is an arithmetic number, because the mean of its divisors is an integer number (18760800).

Almost surely, 2^74542763 is an apocalyptic number.

74542763 is a deficient number, since it is larger than the sum of its proper divisors (500437).

74542763 is a wasteful number, since it uses less digits than its factorization.

74542763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500436.

The product of its digits is 141120, while the sum is 38.

The square root of 74542763 is about 8633.8150895187. The cubic root of 74542763 is about 420.8575882327.

The spelling of 74542763 in words is "seventy-four million, five hundred forty-two thousand, seven hundred sixty-three".