73000345 has 32 divisors (see below), whose sum is σ = 98910720. Its totient is φ = 51267840.

The previous prime is 73000339. The next prime is 73000387. The reversal of 73000345 is 54300037.

It is not a de Polignac number, because 73000345 - 2⁷ = 73000217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230127 + ... + 230443.

It is an arithmetic number, because the mean of its divisors is an integer number (3090960).

Almost surely, 2^73000345 is an apocalyptic number.

It is an amenable number.

73000345 is a deficient number, since it is larger than the sum of its proper divisors (25910375).

73000345 is a wasteful number, since it uses less digits than its factorization.

73000345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465.

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 73000345 is about 8544.0239348916. The cubic root of 73000345 is about 417.9345780261.

The spelling of 73000345 in words is "seventy-three million, three hundred forty-five", and thus it is an aban number.