745107117420 has 24 divisors (see below), whose sum is σ = 2086299928944. Its totient is φ = 198695231296.

The previous prime is 745107117383. The next prime is 745107117439. The reversal of 745107117420 is 24711701547.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6209225919 + ... + 6209226038.

It is an arithmetic number, because the mean of its divisors is an integer number (86929163706).

Almost surely, 2^745107117420 is an apocalyptic number.

It is an amenable number.

745107117420 is an abundant number, since it is smaller than the sum of its proper divisors (1341192811524).

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

745107117420 is a wasteful number, since it uses less digits than its factorization.

745107117420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12418451969 (or 12418451967 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 39.

Adding to 745107117420 its reverse (24711701547), we get a palindrome (769818818967).

The spelling of 745107117420 in words is "seven hundred forty-five billion, one hundred seven million, one hundred seventeen thousand, four hundred twenty".