74221402032 has 80 divisors (see below), whose sum is σ = 213136224480. Its totient is φ = 24729631488.

The previous prime is 74221402009. The next prime is 74221402051. The reversal of 74221402032 is 23020412247.

74221402032 is a `hidden beast` number, since 7 + 4 + 221 + 402 + 0 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 74221401987 and 74221402005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 981778 + ... + 1054670.

It is an arithmetic number, because the mean of its divisors is an integer number (2664202806).

Almost surely, 2^74221402032 is an apocalyptic number.

74221402032 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

74221402032 is an abundant number, since it is smaller than the sum of its proper divisors (138914822448).

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

74221402032 is a wasteful number, since it uses less digits than its factorization.

74221402032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75267 (or 75255 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

Adding to 74221402032 its reverse (23020412247), we get a palindrome (97241814279).

The spelling of 74221402032 in words is "seventy-four billion, two hundred twenty-one million, four hundred two thousand, thirty-two".