75421219302 has 144 divisors (see below), whose sum is σ = 203617967280. Its totient is φ = 19986341760.

The previous prime is 75421219301. The next prime is 75421219319. The reversal of 75421219302 is 20391212457.

75421219302 is a `hidden beast` number, since 7 + 542 + 1 + 21 + 93 + 0 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75421219301) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 467868 + ... + 608064.

Almost surely, 2^75421219302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75421219302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101808983640).

75421219302 is an abundant number, since it is smaller than the sum of its proper divisors (128196747978).

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

75421219302 is a wasteful number, since it uses less digits than its factorization.

75421219302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140259 (or 140245 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 75421219302 in words is "seventy-five billion, four hundred twenty-one million, two hundred nineteen thousand, three hundred two".