73948944720 has 160 divisors (see below), whose sum is σ = 264309725952. Its totient is φ = 16752992256.

The previous prime is 73948944673. The next prime is 73948944721. The reversal of 73948944720 is 2744984937.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73948944721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4927 + ... + 384606.

Almost surely, 2^73948944720 is an apocalyptic number.

73948944720 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 73948944720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132154862976).

73948944720 is an abundant number, since it is smaller than the sum of its proper divisors (190360781232).

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

73948944720 is a wasteful number, since it uses less digits than its factorization.

73948944720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389669 (or 389663 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 57.

The spelling of 73948944720 in words is "seventy-three billion, nine hundred forty-eight million, nine hundred forty-four thousand, seven hundred twenty".