7492257048 has 64 divisors (see below), whose sum is σ = 19215567360. Its totient is φ = 2433062016.

The previous prime is 7492257043. The next prime is 7492257079. The reversal of 7492257048 is 8407522947.

It is a super-2 number, since 2×7492257048² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7492256988 and 7492257006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7492257043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400561 + ... + 418847.

It is an arithmetic number, because the mean of its divisors is an integer number (300243240).

Almost surely, 2^7492257048 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 7492257048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9607783680).

7492257048 is an abundant number, since it is smaller than the sum of its proper divisors (11723310312).

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

7492257048 is a wasteful number, since it uses less digits than its factorization.

7492257048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18736 (or 18732 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The square root of 7492257048 is about 86557.8248802499. The cubic root of 7492257048 is about 1956.7599745902.

The spelling of 7492257048 in words is "seven billion, four hundred ninety-two million, two hundred fifty-seven thousand, forty-eight".