73345072 has 20 divisors (see below), whose sum is σ = 150465816. Its totient is φ = 34515200.

The previous prime is 73345061. The next prime is 73345093. The reversal of 73345072 is 27054337.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134554 + ... + 135097.

Almost surely, 2^73345072 is an apocalyptic number.

It is an amenable number.

73345072 is an abundant number, since it is smaller than the sum of its proper divisors (77120744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73345072 is a wasteful number, since it uses less digits than its factorization.

73345072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269676 (or 269670 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 73345072 is about 8564.1737488213. The cubic root of 73345072 is about 418.5914111877.

The spelling of 73345072 in words is "seventy-three million, three hundred forty-five thousand, seventy-two".