74142463 has 4 divisors (see below), whose sum is σ = 74708568. Its totient is φ = 73576360.

The previous prime is 74142451. The next prime is 74142499. The reversal of 74142463 is 36424147.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74142463 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 (74142403) 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 in 3 ways as a sum of consecutive naturals, for example, 282856 + ... + 283117.

It is an arithmetic number, because the mean of its divisors is an integer number (18677142).

Almost surely, 2^74142463 is an apocalyptic number.

74142463 is a deficient number, since it is larger than the sum of its proper divisors (566105).

74142463 is a wasteful number, since it uses less digits than its factorization.

74142463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566104.

The product of its digits is 16128, while the sum is 31.

The square root of 74142463 is about 8610.6017792022. The cubic root of 74142463 is about 420.1028905139.

The spelling of 74142463 in words is "seventy-four million, one hundred forty-two thousand, four hundred sixty-three".