7142748 has 12 divisors (see below), whose sum is σ = 16666440. Its totient is φ = 2380912.

The previous prime is 7142743. The next prime is 7142749. The reversal of 7142748 is 8472417.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7142743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297603 + ... + 297626.

It is an arithmetic number, because the mean of its divisors is an integer number (1388870).

Almost surely, 2^7142748 is an apocalyptic number.

It is an amenable number.

7142748 is an abundant number, since it is smaller than the sum of its proper divisors (9523692).

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

7142748 is a wasteful number, since it uses less digits than its factorization.

7142748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595236 (or 595234 counting only the distinct ones).

The product of its digits is 12544, while the sum is 33.

The square root of 7142748 is about 2672.5920002874. The cubic root of 7142748 is about 192.5846976474.

The spelling of 7142748 in words is "seven million, one hundred forty-two thousand, seven hundred forty-eight".