7720098 has 8 divisors (see below), whose sum is σ = 15440208. Its totient is φ = 2573364.

The previous prime is 7720093. The next prime is 7720103. The reversal of 7720098 is 8900277.

7720098 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7720093) and next prime (7720103).

It is a sphenic number, since it is the product of 3 distinct primes.

7720098 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (7720093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 643336 + ... + 643347.

It is an arithmetic number, because the mean of its divisors is an integer number (1930026).

Almost surely, 2^7720098 is an apocalyptic number.

7720098 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7720098 is a wasteful number, since it uses less digits than its factorization.

7720098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286688.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 7720098 is about 2778.5064333199. The cubic root of 7720098 is about 197.6397387391.

The spelling of 7720098 in words is "seven million, seven hundred twenty thousand, ninety-eight".