74742822 has 48 divisors (see below), whose sum is σ = 201906432. Its totient is φ = 19413360.

The previous prime is 74742821. The next prime is 74742839. The reversal of 74742822 is 22824747.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74742821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25578 + ... + 28349.

It is an arithmetic number, because the mean of its divisors is an integer number (4206384).

Almost surely, 2^74742822 is an apocalyptic number.

74742822 is an abundant number, since it is smaller than the sum of its proper divisors (127163610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74742822 is a wasteful number, since it uses less digits than its factorization.

74742822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53953 (or 53950 counting only the distinct ones).

The product of its digits is 50176, while the sum is 36.

The square root of 74742822 is about 8645.3931084711. The cubic root of 74742822 is about 421.2337532440.

It can be divided in two parts, 7474 and 2822, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 74742822 in words is "seventy-four million, seven hundred forty-two thousand, eight hundred twenty-two".