7397151552 has 224 divisors, whose sum is σ = 25655869440. Its totient is φ = 2045191680.

The previous prime is 7397151529. The next prime is 7397151557. The reversal of 7397151552 is 2551517937.

7397151552 is a `hidden beast` number, since 7 + 3 + 97 + 1 + 5 + 1 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (224).

It is a junction number, because it is equal to n+sod(n) for n = 7397151498 and 7397151507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7397151557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 365113 + ... + 384839.

Almost surely, 2^7397151552 is an apocalyptic number.

7397151552 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7397151552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12827934720).

7397151552 is an abundant number, since it is smaller than the sum of its proper divisors (18258717888).

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

7397151552 is a wasteful number, since it uses less digits than its factorization.

7397151552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19786 (or 19770 counting only the distinct ones).

The product of its digits is 330750, while the sum is 45.

The square root of 7397151552 is about 86006.6948091833. The cubic root of 7397151552 is about 1948.4450941948.

The spelling of 7397151552 in words is "seven billion, three hundred ninety-seven million, one hundred fifty-one thousand, five hundred fifty-two".