74700863 has 4 divisors (see below), whose sum is σ = 74998728. Its totient is φ = 74403000.

The previous prime is 74700851. The next prime is 74700869. The reversal of 74700863 is 36800747.

74700863 = 107² + 108² + ... + 608².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36800747 = 811 ⋅45377.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74700863 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 (74700869) 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, 148556 + ... + 149057.

It is an arithmetic number, because the mean of its divisors is an integer number (18749682).

Almost surely, 2^74700863 is an apocalyptic number.

74700863 is a deficient number, since it is larger than the sum of its proper divisors (297865).

74700863 is a wasteful number, since it uses less digits than its factorization.

74700863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297864.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 74700863 is about 8642.9660996674. The cubic root of 74700863 is about 421.1549146569.

The spelling of 74700863 in words is "seventy-four million, seven hundred thousand, eight hundred sixty-three".