7009257424 has 60 divisors (see below), whose sum is σ = 14724453036. Its totient is φ = 3230862336.

The previous prime is 7009257391. The next prime is 7009257427. The reversal of 7009257424 is 4247529007.

It can be written as a sum of positive squares in 6 ways, for example, as 4749966400 + 2259291024 = 68920^2 + 47532^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7009257427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3278884 + ... + 3281020.

Almost surely, 2^7009257424 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 7009257424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7362226518).

7009257424 is an abundant number, since it is smaller than the sum of its proper divisors (7715195612).

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

7009257424 is a wasteful number, since it uses less digits than its factorization.

7009257424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3384 (or 3365 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 7009257424 is about 83721.3080643154. The cubic root of 7009257424 is about 1913.7740882105.

The spelling of 7009257424 in words is "seven billion, nine million, two hundred fifty-seven thousand, four hundred twenty-four".