7742603420 has 24 divisors (see below), whose sum is σ = 17215907184. Its totient is φ = 2914862336.

The previous prime is 7742603419. The next prime is 7742603423. The reversal of 7742603420 is 243062477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7742603423) 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, 11385842 + ... + 11386521.

It is an arithmetic number, because the mean of its divisors is an integer number (717329466).

Almost surely, 2^7742603420 is an apocalyptic number.

It is an amenable number.

7742603420 is an abundant number, since it is smaller than the sum of its proper divisors (9473303764).

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

7742603420 is a wasteful number, since it uses less digits than its factorization.

7742603420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22772389 (or 22772387 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 35.

The square root of 7742603420 is about 87992.0645285698. The cubic root of 7742603420 is about 1978.3160375252.

Adding to 7742603420 its reverse (243062477), we get a palindrome (7985665897).

The spelling of 7742603420 in words is "seven billion, seven hundred forty-two million, six hundred three thousand, four hundred twenty".