73070000 has 50 divisors (see below), whose sum is σ = 176933988. Its totient is φ = 29224000.

The previous prime is 73069973. The next prime is 73070017. The reversal of 73070000 is 7037.

It is a tau number, because it is divible by the number of its divisors (50).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6347 + ... + 13653.

Almost surely, 2^73070000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73070000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88466994).

73070000 is an abundant number, since it is smaller than the sum of its proper divisors (103863988).

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

73070000 is an equidigital number, since it uses as much as digits as its factorization.

73070000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7335 (or 7314 counting only the distinct ones).

The product of its (nonzero) digits is 147, while the sum is 17.

The square root of 73070000 is about 8548.0992039166. The cubic root of 73070000 is about 418.0674631464.

Adding to 73070000 its reverse (7037), we get a palindrome (73077037).

The spelling of 73070000 in words is "seventy-three million, seventy thousand".