7253740 has 48 divisors (see below), whose sum is σ = 17131968. Its totient is φ = 2559744.

The previous prime is 7253723. The next prime is 7253773. The reversal of 7253740 is 473527.

It is a junction number, because it is equal to n+sod(n) for n = 7253699 and 7253708.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5374 + ... + 6586.

It is an arithmetic number, because the mean of its divisors is an integer number (356916).

Almost surely, 2^7253740 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 7253740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8565984).

7253740 is an abundant number, since it is smaller than the sum of its proper divisors (9878228).

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

7253740 is a wasteful number, since it uses less digits than its factorization.

7253740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258 (or 1256 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 7253740 is about 2693.2768145885. The cubic root of 7253740 is about 193.5771069508.

It can be divided in two parts, 725 and 3740, that added together give a triangular number (4465 = T₉₄).

The spelling of 7253740 in words is "seven million, two hundred fifty-three thousand, seven hundred forty".