74000863 has 4 divisors (see below), whose sum is σ = 74679880. Its totient is φ = 73321848.

The previous prime is 74000791. The next prime is 74000917. The reversal of 74000863 is 36800047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36800047 = 743 ⋅49529.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74000863 is a prime.

It is a super-2 number, since 2×74000863² = 10952255449489538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74000263) 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, 339345 + ... + 339562.

It is an arithmetic number, because the mean of its divisors is an integer number (18669970).

Almost surely, 2^74000863 is an apocalyptic number.

74000863 is a deficient number, since it is larger than the sum of its proper divisors (679017).

74000863 is a wasteful number, since it uses less digits than its factorization.

74000863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679016.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 74000863 is about 8602.3754277525. The cubic root of 74000863 is about 419.8352774305.

The spelling of 74000863 in words is "seventy-four million, eight hundred sixty-three", and thus it is an aban number.