7420523752 has 16 divisors (see below), whose sum is σ = 14289522660. Its totient is φ = 3609984384.

The previous prime is 7420523743. The next prime is 7420523797. The reversal of 7420523752 is 2573250247.

It can be written as a sum of positive squares in 2 ways, for example, as 6620425956 + 800097796 = 81366^2 + 28286^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12534373 + ... + 12534964.

Almost surely, 2^7420523752 is an apocalyptic number.

It is an amenable number.

7420523752 is a deficient number, since it is larger than the sum of its proper divisors (6868998908).

7420523752 is a wasteful number, since it uses less digits than its factorization.

7420523752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25069380 (or 25069376 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 37.

The square root of 7420523752 is about 86142.4619569234. The cubic root of 7420523752 is about 1950.4950530944.

Adding to 7420523752 its reverse (2573250247), we get a palindrome (9993773999).

The spelling of 7420523752 in words is "seven billion, four hundred twenty million, five hundred twenty-three thousand, seven hundred fifty-two".