74802863 has 4 divisors (see below), whose sum is σ = 76824600. Its totient is φ = 72781128.

The previous prime is 74802853. The next prime is 74802869. The reversal of 74802863 is 36820847.

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

It is a cyclic number.

It is not a de Polignac number, because 74802863 - 2²⁰ = 73754287 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 (74802869) 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, 1010813 + ... + 1010886.

It is an arithmetic number, because the mean of its divisors is an integer number (19206150).

Almost surely, 2^74802863 is an apocalyptic number.

74802863 is a deficient number, since it is larger than the sum of its proper divisors (2021737).

74802863 is a wasteful number, since it uses less digits than its factorization.

74802863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021736.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 74802863 is about 8648.8648388098. The cubic root of 74802863 is about 421.3465155845.

It can be divided in two parts, 7480 and 2863, that multiplied together give a triangular number (21415240 = T₆₅₄₄).

The spelling of 74802863 in words is "seventy-four million, eight hundred two thousand, eight hundred sixty-three".