73455552 has 56 divisors (see below), whose sum is σ = 215950800. Its totient is φ = 24484608.

The previous prime is 73455533. The next prime is 73455563. The reversal of 73455552 is 25555437.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19527 + ... + 22982.

Almost surely, 2^73455552 is an apocalyptic number.

73455552 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

73455552 is an abundant number, since it is smaller than the sum of its proper divisors (142495248).

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

73455552 is a wasteful number, since it uses less digits than its factorization.

73455552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42530 (or 42514 counting only the distinct ones).

The product of its digits is 105000, while the sum is 36.

The square root of 73455552 is about 8570.6214477131. The cubic root of 73455552 is about 418.8014810992.

It can be divided in two parts, 73 and 455552, that added together give a square (455625 = 675²).

The spelling of 73455552 in words is "seventy-three million, four hundred fifty-five thousand, five hundred fifty-two".