7121740080 has 160 divisors (see below), whose sum is σ = 27172260864. Its totient is φ = 1502604288.

The previous prime is 7121740063. The next prime is 7121740099. The reversal of 7121740080 is 800471217.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141204 + ... + 184883.

Almost surely, 2^7121740080 is an apocalyptic number.

7121740080 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7121740080 is an abundant number, since it is smaller than the sum of its proper divisors (20050520784).

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

7121740080 is a wasteful number, since it uses less digits than its factorization.

7121740080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326123 (or 326117 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 7121740080 is about 84390.4027718792. The cubic root of 7121740080 is about 1923.9570517281.

The spelling of 7121740080 in words is "seven billion, one hundred twenty-one million, seven hundred forty thousand, eighty".