7153421748 has 72 divisors (see below), whose sum is σ = 18363282336. Its totient is φ = 2165739840.

The previous prime is 7153421747. The next prime is 7153421801. The reversal of 7153421748 is 8471243517.

It is a super-3 number, since 3×7153421748³ (a number of 31 digits) contains 333 as substring.

Its product of digits (188160) is a multiple of the sum of its prime divisors (4480).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7153421747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2898411 + ... + 2900877.

It is an arithmetic number, because the mean of its divisors is an integer number (255045588).

Almost surely, 2^7153421748 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 7153421748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9181641168).

7153421748 is an abundant number, since it is smaller than the sum of its proper divisors (11209860588).

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

7153421748 is a wasteful number, since it uses less digits than its factorization.

7153421748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4493 (or 4480 counting only the distinct ones).

The product of its digits is 188160, while the sum is 42.

The square root of 7153421748 is about 84577.9034263678. The cubic root of 7153421748 is about 1926.8057939359.

The spelling of 7153421748 in words is "seven billion, one hundred fifty-three million, four hundred twenty-one thousand, seven hundred forty-eight".