7257377452 has 24 divisors (see below), whose sum is σ = 14481917856. Its totient is φ = 3152525568.

The previous prime is 7257377443. The next prime is 7257377459. The reversal of 7257377452 is 2547737527.

It is a junction number, because it is equal to n+sod(n) for n = 7257377396 and 7257377405.

It is not an unprimeable number, because it can be changed into a prime (7257377459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4103968 + ... + 4105735.

It is an arithmetic number, because the mean of its divisors is an integer number (603413244).

Almost surely, 2^7257377452 is an apocalyptic number.

It is an amenable number.

7257377452 is a deficient number, since it is larger than the sum of its proper divisors (7224540404).

7257377452 is a wasteful number, since it uses less digits than its factorization.

7257377452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8209737 (or 8209735 counting only the distinct ones).

The product of its digits is 2881200, while the sum is 49.

The square root of 7257377452 is about 85190.2427041971. The cubic root of 7257377452 is about 1936.0945852720.

The spelling of 7257377452 in words is "seven billion, two hundred fifty-seven million, three hundred seventy-seven thousand, four hundred fifty-two".