7140888 has 72 divisors (see below), whose sum is σ = 20159100. Its totient is φ = 2282880.

The previous prime is 7140883. The next prime is 7140899. The reversal of 7140888 is 8880417.

7140888 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7140883) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 121003 + ... + 121061.

Almost surely, 2^7140888 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 7140888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10079550).

7140888 is an abundant number, since it is smaller than the sum of its proper divisors (13018212).

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

7140888 is a wasteful number, since it uses less digits than its factorization.

7140888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 7140888 is about 2672.2440008353. The cubic root of 7140888 is about 192.5679795889.

The spelling of 7140888 in words is "seven million, one hundred forty thousand, eight hundred eighty-eight".