73225404 has 144 divisors (see below), whose sum is σ = 224652960. Its totient is φ = 20563200.

The previous prime is 73225393. The next prime is 73225417. The reversal of 73225404 is 40452237.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 534424 + ... + 534560.

It is an arithmetic number, because the mean of its divisors is an integer number (1560090).

Almost surely, 2^73225404 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 73225404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112326480).

73225404 is an abundant number, since it is smaller than the sum of its proper divisors (151427556).

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

73225404 is a wasteful number, since it uses less digits than its factorization.

73225404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 73225404 is about 8557.1843500067. The cubic root of 73225404 is about 418.3636328094.

The spelling of 73225404 in words is "seventy-three million, two hundred twenty-five thousand, four hundred four".