73348743840 has 48 divisors (see below), whose sum is σ = 231048544608. Its totient is φ = 19559664896.

The previous prime is 73348743833. The next prime is 73348743907. The reversal of 73348743840 is 4834784337.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76404462 + ... + 76405421.

It is an arithmetic number, because the mean of its divisors is an integer number (4813511346).

Almost surely, 2^73348743840 is an apocalyptic number.

It is an amenable number.

73348743840 is an abundant number, since it is smaller than the sum of its proper divisors (157699800768).

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

73348743840 is a wasteful number, since it uses less digits than its factorization.

73348743840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152809901 (or 152809893 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 51.

The spelling of 73348743840 in words is "seventy-three billion, three hundred forty-eight million, seven hundred forty-three thousand, eight hundred forty".