73775520000 has 1080 divisors, whose sum is σ = 327727143744. Its totient is φ = 15538176000.

The previous prime is 73775519903. The next prime is 73775520011. The reversal of 73775520000 is 2557737.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 131039719 + ... + 131040281.

Almost surely, 2^73775520000 is an apocalyptic number.

73775520000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73775520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163863571872).

73775520000 is an abundant number, since it is smaller than the sum of its proper divisors (253951623744).

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

73775520000 is a wasteful number, since it uses less digits than its factorization.

73775520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 593 counting only the distinct ones).

The product of its (nonzero) digits is 51450, while the sum is 36.

The spelling of 73775520000 in words is "seventy-three billion, seven hundred seventy-five million, five hundred twenty thousand".