7720950 has 24 divisors (see below), whose sum is σ = 19148328. Its totient is φ = 2058880.

The previous prime is 7720949. The next prime is 7720957. The reversal of 7720950 is 590277.

It is a happy number.

It is a super-2 number, since 2×7720950² = 119226137805000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7720957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25587 + ... + 25886.

It is an arithmetic number, because the mean of its divisors is an integer number (797847).

Almost surely, 2^7720950 is an apocalyptic number.

7720950 is an abundant number, since it is smaller than the sum of its proper divisors (11427378).

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

7720950 is a wasteful number, since it uses less digits than its factorization.

7720950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51488 (or 51483 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 30.

The square root of 7720950 is about 2778.6597488717. The cubic root of 7720950 is about 197.6470090640.

The spelling of 7720950 in words is "seven million, seven hundred twenty thousand, nine hundred fifty".