7057397376 has 128 divisors (see below), whose sum is σ = 21093600000. Its totient is φ = 2322597888.

The previous prime is 7057397359. The next prime is 7057397393. The reversal of 7057397376 is 6737937507.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7057397359) and next prime (7057397393).

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 260100 + ... + 285948.

It is an arithmetic number, because the mean of its divisors is an integer number (164793750).

Almost surely, 2^7057397376 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 7057397376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10546800000).

7057397376 is an abundant number, since it is smaller than the sum of its proper divisors (14036202624).

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

7057397376 is a wasteful number, since it uses less digits than its factorization.

7057397376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25951 (or 25933 counting only the distinct ones).

The product of its (nonzero) digits is 5834430, while the sum is 54.

The square root of 7057397376 is about 84008.3173025148. The cubic root of 7057397376 is about 1918.1453966426.

The spelling of 7057397376 in words is "seven billion, fifty-seven million, three hundred ninety-seven thousand, three hundred seventy-six".