73204947 has 6 divisors (see below), whose sum is σ = 105740492. Its totient is φ = 48803292.

The previous prime is 73204939. The next prime is 73204949. The reversal of 73204947 is 74940237.

It is not a de Polignac number, because 73204947 - 2³ = 73204939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73204949) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4066933 + ... + 4066950.

Almost surely, 2^73204947 is an apocalyptic number.

73204947 is a deficient number, since it is larger than the sum of its proper divisors (32535545).

73204947 is a wasteful number, since it uses less digits than its factorization.

73204947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8133889 (or 8133886 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 73204947 is about 8555.9889551121. The cubic root of 73204947 is about 418.3246697288.

The spelling of 73204947 in words is "seventy-three million, two hundred four thousand, nine hundred forty-seven".