73403473 has 8 divisors (see below), whose sum is σ = 86236416. Its totient is φ = 61597200.

The previous prime is 73403461. The next prime is 73403513. The reversal of 73403473 is 37430437.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73403473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73403413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256513 + ... + 256798.

It is an arithmetic number, because the mean of its divisors is an integer number (10779552).

Almost surely, 2^73403473 is an apocalyptic number.

It is an amenable number.

73403473 is a deficient number, since it is larger than the sum of its proper divisors (12832943).

73403473 is a wasteful number, since it uses less digits than its factorization.

73403473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513335.

The product of its (nonzero) digits is 21168, while the sum is 31.

The square root of 73403473 is about 8567.5826812468. The cubic root of 73403473 is about 418.7024828239.

The spelling of 73403473 in words is "seventy-three million, four hundred three thousand, four hundred seventy-three".