73420195430 has 16 divisors (see below), whose sum is σ = 137902280544. Its totient is φ = 28091205120.

The previous prime is 73420195427. The next prime is 73420195469. The reversal of 73420195430 is 3459102437.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159608891 + ... + 159609350.

It is an arithmetic number, because the mean of its divisors is an integer number (8618892534).

Almost surely, 2^73420195430 is an apocalyptic number.

73420195430 is a deficient number, since it is larger than the sum of its proper divisors (64482085114).

73420195430 is a wasteful number, since it uses less digits than its factorization.

73420195430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319218271.

The product of its (nonzero) digits is 90720, while the sum is 38.

Adding to 73420195430 its reverse (3459102437), we get a palindrome (76879297867).

The spelling of 73420195430 in words is "seventy-three billion, four hundred twenty million, one hundred ninety-five thousand, four hundred thirty".