7420564574 has 16 divisors (see below), whose sum is σ = 11318455296. Its totient is φ = 3648031800.

The previous prime is 7420564523. The next prime is 7420564577. The reversal of 7420564574 is 4754650247.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7420564577) 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, 19082 + ... + 123309.

It is an arithmetic number, because the mean of its divisors is an integer number (707403456).

Almost surely, 2^7420564574 is an apocalyptic number.

7420564574 is a deficient number, since it is larger than the sum of its proper divisors (3897890722).

7420564574 is a wasteful number, since it uses less digits than its factorization.

7420564574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142831.

The product of its (nonzero) digits is 940800, while the sum is 44.

The square root of 7420564574 is about 86142.6989012998. The cubic root of 7420564574 is about 1950.4986297945.

The spelling of 7420564574 in words is "seven billion, four hundred twenty million, five hundred sixty-four thousand, five hundred seventy-four".