75332473920 has 336 divisors, whose sum is σ = 283093192512. Its totient is φ = 18234961920.

The previous prime is 75332473837. The next prime is 75332473963. The reversal of 75332473920 is 2937423357.

75332473920 is a `hidden beast` number, since 7 + 533 + 24 + 7 + 3 + 92 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27972094 + ... + 27974786.

Almost surely, 2^75332473920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75332473920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141546596256).

75332473920 is an abundant number, since it is smaller than the sum of its proper divisors (207760718592).

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

75332473920 is a wasteful number, since it uses less digits than its factorization.

75332473920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3610 (or 3597 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 45.

The spelling of 75332473920 in words is "seventy-five billion, three hundred thirty-two million, four hundred seventy-three thousand, nine hundred twenty".