7745428101 has 8 divisors (see below), whose sum is σ = 10329198880. Its totient is φ = 5162638032.

The previous prime is 7745428099. The next prime is 7745428133. The reversal of 7745428101 is 1018245477.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7745428101 - 2¹ = 7745428099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7745428101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7745428501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226546 + ... + 258483.

It is an arithmetic number, because the mean of its divisors is an integer number (1291149860).

Almost surely, 2^7745428101 is an apocalyptic number.

It is an amenable number.

7745428101 is a deficient number, since it is larger than the sum of its proper divisors (2583770779).

7745428101 is a wasteful number, since it uses less digits than its factorization.

7745428101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490355.

The product of its (nonzero) digits is 62720, while the sum is 39.

The square root of 7745428101 is about 88008.1138361685. The cubic root of 7745428101 is about 1978.5565867737.

The spelling of 7745428101 in words is "seven billion, seven hundred forty-five million, four hundred twenty-eight thousand, one hundred one".