73481554 has 8 divisors (see below), whose sum is σ = 110302848. Its totient is φ = 36713940.

The previous prime is 73481549. The next prime is 73481557. The reversal of 73481554 is 45518437.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (73481557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9802 + ... + 15589.

It is an arithmetic number, because the mean of its divisors is an integer number (13787856).

Almost surely, 2^73481554 is an apocalyptic number.

73481554 is a deficient number, since it is larger than the sum of its proper divisors (36821294).

73481554 is a wasteful number, since it uses less digits than its factorization.

73481554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26840.

The product of its digits is 67200, while the sum is 37.

The square root of 73481554 is about 8572.1382396693. The cubic root of 73481554 is about 418.8508914394.

The spelling of 73481554 in words is "seventy-three million, four hundred eighty-one thousand, five hundred fifty-four".