73409164 has 6 divisors (see below), whose sum is σ = 128466044. Its totient is φ = 36704580.

The previous prime is 73409137. The next prime is 73409173. The reversal of 73409164 is 46190437.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9176142 + ... + 9176149.

Almost surely, 2^73409164 is an apocalyptic number.

It is an amenable number.

73409164 is a deficient number, since it is larger than the sum of its proper divisors (55056880).

73409164 is a wasteful number, since it uses less digits than its factorization.

73409164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18352295 (or 18352293 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 73409164 is about 8567.9147988294. The cubic root of 73409164 is about 418.7133032667.

The spelling of 73409164 in words is "seventy-three million, four hundred nine thousand, one hundred sixty-four".