73626621000 has 256 divisors, whose sum is σ = 243175046400. Its totient is φ = 18514944000.

The previous prime is 73626620993. The next prime is 73626621031. The reversal of 73626621000 is 12662637.

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, 3731160 + ... + 3750840.

It is an arithmetic number, because the mean of its divisors is an integer number (949902525).

Almost surely, 2^73626621000 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 73626621000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121587523200).

73626621000 is an abundant number, since it is smaller than the sum of its proper divisors (169548425400).

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

73626621000 is a wasteful number, since it uses less digits than its factorization.

73626621000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19777 (or 19763 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The spelling of 73626621000 in words is "seventy-three billion, six hundred twenty-six million, six hundred twenty-one thousand".