73957239000 has 256 divisors, whose sum is σ = 257317632000. Its totient is φ = 19650211200.

The previous prime is 73957238941. The next prime is 73957239023. The reversal of 73957239000 is 93275937.

73957239000 is a `hidden beast` number, since 73 + 9 + 572 + 3 + 9 + 0 + 0 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7636161 + ... + 7645839.

It is an arithmetic number, because the mean of its divisors is an integer number (1005147000).

Almost surely, 2^73957239000 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 73957239000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128658816000).

73957239000 is an abundant number, since it is smaller than the sum of its proper divisors (183360393000).

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

73957239000 is a wasteful number, since it uses less digits than its factorization.

73957239000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9992 (or 9972 counting only the distinct ones).

The product of its (nonzero) digits is 357210, while the sum is 45.

The spelling of 73957239000 in words is "seventy-three billion, nine hundred fifty-seven million, two hundred thirty-nine thousand".