73478303 has 2 divisors, whose sum is σ = 73478304. Its totient is φ = 73478302.

The previous prime is 73478287. The next prime is 73478333. The reversal of 73478303 is 30387437.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73478303 - 2⁴ = 73478287 is a prime.

It is a super-2 number, since 2×73478303² = 10798122023519618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73478333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36739151 + 36739152.

It is an arithmetic number, because the mean of its divisors is an integer number (36739152).

Almost surely, 2^73478303 is an apocalyptic number.

73478303 is a deficient number, since it is larger than the sum of its proper divisors (1).

73478303 is an equidigital number, since it uses as much as digits as its factorization.

73478303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 73478303 is about 8571.9486116052. The cubic root of 73478303 is about 418.8447143593.

The spelling of 73478303 in words is "seventy-three million, four hundred seventy-eight thousand, three hundred three".