7238898420 has 96 divisors (see below), whose sum is σ = 22154014848. Its totient is φ = 1755274752.

The previous prime is 7238898419. The next prime is 7238898421. The reversal of 7238898420 is 248988327.

It is an interprime number because it is at equal distance from previous prime (7238898419) and next prime (7238898421).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7238898421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16999 + ... + 121518.

It is an arithmetic number, because the mean of its divisors is an integer number (230770988).

Almost surely, 2^7238898420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7238898420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11077007424).

7238898420 is an abundant number, since it is smaller than the sum of its proper divisors (14915116428).

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

7238898420 is a wasteful number, since it uses less digits than its factorization.

7238898420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138609 (or 138607 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 51.

The square root of 7238898420 is about 85081.7161321985. The cubic root of 7238898420 is about 1934.4499341193.

The spelling of 7238898420 in words is "seven billion, two hundred thirty-eight million, eight hundred ninety-eight thousand, four hundred twenty".