73065700730 has 64 divisors (see below), whose sum is σ = 145808989056. Its totient is φ = 26138880000.

The previous prime is 73065700703. The next prime is 73065700739. The reversal of 73065700730 is 3700756037.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (73065700739) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3208685 + ... + 3231375.

It is an arithmetic number, because the mean of its divisors is an integer number (2278265454).

Almost surely, 2^73065700730 is an apocalyptic number.

73065700730 is a deficient number, since it is larger than the sum of its proper divisors (72743288326).

73065700730 is a wasteful number, since it uses less digits than its factorization.

73065700730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23183.

The product of its (nonzero) digits is 92610, while the sum is 38.

The spelling of 73065700730 in words is "seventy-three billion, sixty-five million, seven hundred thousand, seven hundred thirty".