74281842428 has 12 divisors (see below), whose sum is σ = 130017636840. Its totient is φ = 37133946192.

The previous prime is 74281842413. The next prime is 74281842433. The reversal of 74281842428 is 82424818247.

It is a happy number.

It is a super-2 number, since 2×74281842428² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1719758 + ... + 1762421.

It is an arithmetic number, because the mean of its divisors is an integer number (10834803070).

Almost surely, 2^74281842428 is an apocalyptic number.

It is an amenable number.

74281842428 is a deficient number, since it is larger than the sum of its proper divisors (55735794412).

74281842428 is a wasteful number, since it uses less digits than its factorization.

74281842428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3487516 (or 3487514 counting only the distinct ones).

The product of its digits is 1835008, while the sum is 50.

The spelling of 74281842428 in words is "seventy-four billion, two hundred eighty-one million, eight hundred forty-two thousand, four hundred twenty-eight".