7421357652 has 24 divisors (see below), whose sum is σ = 18069393216. Its totient is φ = 2366229888.

The previous prime is 7421357651. The next prime is 7421357677. The reversal of 7421357652 is 2567531247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7421357651) 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, 13444213 + ... + 13444764.

It is an arithmetic number, because the mean of its divisors is an integer number (752891384).

Almost surely, 2^7421357652 is an apocalyptic number.

It is an amenable number.

7421357652 is an abundant number, since it is smaller than the sum of its proper divisors (10648035564).

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

7421357652 is a wasteful number, since it uses less digits than its factorization.

7421357652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26889007 (or 26889005 counting only the distinct ones).

The product of its digits is 352800, while the sum is 42.

The square root of 7421357652 is about 86147.3020587412. The cubic root of 7421357652 is about 1950.5681142850.

Adding to 7421357652 its reverse (2567531247), we get a palindrome (9988888899).

The spelling of 7421357652 in words is "seven billion, four hundred twenty-one million, three hundred fifty-seven thousand, six hundred fifty-two".