73897650 has 192 divisors, whose sum is σ = 222604800. Its totient is φ = 17962560.

The previous prime is 73897633. The next prime is 73897651. The reversal of 73897650 is 5679837.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 73897596 and 73897605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73897651) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1102917 + ... + 1102983.

It is an arithmetic number, because the mean of its divisors is an integer number (1159400).

Almost surely, 2^73897650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73897650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111302400).

73897650 is an abundant number, since it is smaller than the sum of its proper divisors (148707150).

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

73897650 is a wasteful number, since it uses less digits than its factorization.

73897650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 73897650 is about 8596.3742356880. The cubic root of 73897650 is about 419.6399976351.

It can be divided in two parts, 73897 and 650, that added together give a palindrome (74547).

The spelling of 73897650 in words is "seventy-three million, eight hundred ninety-seven thousand, six hundred fifty".