73432403 has 8 divisors (see below), whose sum is σ = 81466560. Its totient is φ = 65624680.

The previous prime is 73432391. The next prime is 73432417. The reversal of 73432403 is 30423437.

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

It is a de Polignac number, because none of the positive numbers 2^k-73432403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73432453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55925 + ... + 57222.

It is an arithmetic number, because the mean of its divisors is an integer number (10183320).

Almost surely, 2^73432403 is an apocalyptic number.

73432403 is a deficient number, since it is larger than the sum of its proper divisors (8034157).

73432403 is a wasteful number, since it uses less digits than its factorization.

73432403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113217.

The product of its (nonzero) digits is 6048, while the sum is 26.

The square root of 73432403 is about 8569.2708557963. The cubic root of 73432403 is about 418.7574823643.

The spelling of 73432403 in words is "seventy-three million, four hundred thirty-two thousand, four hundred three".