73634454 has 64 divisors (see below), whose sum is σ = 172730880. Its totient is φ = 23205600.

The previous prime is 73634453. The next prime is 73634479. The reversal of 73634454 is 45443637.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73634453) 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, 125149 + ... + 125735.

It is an arithmetic number, because the mean of its divisors is an integer number (2698920).

Almost surely, 2^73634454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73634454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86365440).

73634454 is an abundant number, since it is smaller than the sum of its proper divisors (99096426).

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

73634454 is a wasteful number, since it uses less digits than its factorization.

73634454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722 (or 716 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

The square root of 73634454 is about 8581.0520334048. The cubic root of 73634454 is about 419.1412043568.

It can be divided in two parts, 73634 and 454, that added together give a cube (74088 = 42³).

The spelling of 73634454 in words is "seventy-three million, six hundred thirty-four thousand, four hundred fifty-four".