7157292648 has 64 divisors (see below), whose sum is σ = 20149585920. Its totient is φ = 2098910400.

The previous prime is 7157292641. The next prime is 7157292661. The reversal of 7157292648 is 8462927517.

It is a happy number.

It is a super-2 number, since 2×7157292648² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7157292648.

It is not an unprimeable number, because it can be changed into a prime (7157292641) 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, 429090 + ... + 445457.

It is an arithmetic number, because the mean of its divisors is an integer number (314837280).

Almost surely, 2^7157292648 is an apocalyptic number.

It is an amenable number.

7157292648 is an abundant number, since it is smaller than the sum of its proper divisors (12992293272).

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

7157292648 is a wasteful number, since it uses less digits than its factorization.

7157292648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874598 (or 874594 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 51.

The square root of 7157292648 is about 84600.7839679988. The cubic root of 7157292648 is about 1927.1532792789.

The spelling of 7157292648 in words is "seven billion, one hundred fifty-seven million, two hundred ninety-two thousand, six hundred forty-eight".