73572473 has 8 divisors (see below), whose sum is σ = 80123400. Its totient is φ = 67148928.

The previous prime is 73572467. The next prime is 73572479. The reversal of 73572473 is 37427537.

It is an interprime number because it is at equal distance from previous prime (73572467) and next prime (73572479).

It can be written as a sum of positive squares in 4 ways, for example, as 6135529 + 67436944 = 2477^2 + 8212^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 73572473 - 2¹⁴ = 73556089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73572479) 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 7 ways as a sum of consecutive naturals, for example, 30638 + ... + 32951.

It is an arithmetic number, because the mean of its divisors is an integer number (10015425).

Almost surely, 2^73572473 is an apocalyptic number.

It is an amenable number.

73572473 is a deficient number, since it is larger than the sum of its proper divisors (6550927).

73572473 is a wasteful number, since it uses less digits than its factorization.

73572473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63691.

The product of its digits is 123480, while the sum is 38.

The square root of 73572473 is about 8577.4397695350. The cubic root of 73572473 is about 419.0235688293.

The spelling of 73572473 in words is "seventy-three million, five hundred seventy-two thousand, four hundred seventy-three".