73473130 has 8 divisors (see below), whose sum is σ = 132251652. Its totient is φ = 29389248.

The previous prime is 73473091. The next prime is 73473137. The reversal of 73473130 is 3137437.

It can be written as a sum of positive squares in 2 ways, for example, as 73427761 + 45369 = 8569^2 + 213^2 .

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 (73473137) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3673647 + ... + 3673666.

Almost surely, 2^73473130 is an apocalyptic number.

73473130 is a deficient number, since it is larger than the sum of its proper divisors (58778522).

73473130 is a wasteful number, since it uses less digits than its factorization.

73473130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7347320.

The product of its (nonzero) digits is 5292, while the sum is 28.

The square root of 73473130 is about 8571.6468662679. The cubic root of 73473130 is about 418.8348849972.

The spelling of 73473130 in words is "seventy-three million, four hundred seventy-three thousand, one hundred thirty".