73758585840 has 160 divisors (see below), whose sum is σ = 231574464000. Its totient is φ = 19419079680.

The previous prime is 73758585839. The next prime is 73758585869. The reversal of 73758585840 is 4858585737.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6250666 + ... + 6262454.

It is an arithmetic number, because the mean of its divisors is an integer number (1447340400).

Almost surely, 2^73758585840 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 73758585840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115787232000).

73758585840 is an abundant number, since it is smaller than the sum of its proper divisors (157815878160).

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

73758585840 is a wasteful number, since it uses less digits than its factorization.

73758585840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12135 (or 12129 counting only the distinct ones).

The product of its (nonzero) digits is 37632000, while the sum is 60.

The spelling of 73758585840 in words is "seventy-three billion, seven hundred fifty-eight million, five hundred eighty-five thousand, eight hundred forty".