73220480 has 32 divisors (see below), whose sum is σ = 175044240. Its totient is φ = 29287936.

The previous prime is 73220429. The next prime is 73220491. The reversal of 73220480 is 8402237.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×73220480² = 10722477382860800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56564 + ... + 57843.

Almost surely, 2^73220480 is an apocalyptic number.

It is an amenable number.

73220480 is an abundant number, since it is smaller than the sum of its proper divisors (101823760).

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

73220480 is a wasteful number, since it uses less digits than its factorization.

73220480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114426 (or 114414 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 73220480 is about 8556.8966337101. The cubic root of 73220480 is about 418.3542550589.

It can be divided in two parts, 732 and 20480, that added together give a palindrome (21212).

The spelling of 73220480 in words is "seventy-three million, two hundred twenty thousand, four hundred eighty".