73227471637740 has 192 divisors, whose sum is σ = 236654589050880. Its totient is φ = 16571587357440.

The previous prime is 73227471637739. The next prime is 73227471637769. The reversal of 73227471637740 is 4773617472237.

It is a super-2 number, since 2×73227471637740² (a number of 29 digits) contains 22 as substring.

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

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, 200500695 + ... + 200865585.

It is an arithmetic number, because the mean of its divisors is an integer number (1232575984640).

Almost surely, 2^{73227471637740} is an apocalyptic number.

73227471637740 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 73227471637740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118327294525440).

73227471637740 is an abundant number, since it is smaller than the sum of its proper divisors (163427117413140).

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

73227471637740 is a wasteful number, since it uses less digits than its factorization.

73227471637740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369652 (or 369650 counting only the distinct ones).

The product of its (nonzero) digits is 58084992, while the sum is 60.

The spelling of 73227471637740 in words is "seventy-three trillion, two hundred twenty-seven billion, four hundred seventy-one million, six hundred thirty-seven thousand, seven hundred forty".