7292668578 has 48 divisors (see below), whose sum is σ = 16577559936. Its totient is φ = 2125789920.

The previous prime is 7292668561. The next prime is 7292668583. The reversal of 7292668578 is 8758662927.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101338 + ... + 157653.

It is an arithmetic number, because the mean of its divisors is an integer number (345365832).

Almost surely, 2^7292668578 is an apocalyptic number.

7292668578 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

7292668578 is an abundant number, since it is smaller than the sum of its proper divisors (9284891358).

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

7292668578 is a wasteful number, since it uses less digits than its factorization.

7292668578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259047 (or 259028 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 60.

The square root of 7292668578 is about 85397.1227735455. The cubic root of 7292668578 is about 1939.2277879271.

The spelling of 7292668578 in words is "seven billion, two hundred ninety-two million, six hundred sixty-eight thousand, five hundred seventy-eight".