7820235 has 12 divisors (see below), whose sum is σ = 13555152. Its totient is φ = 4170768.

The previous prime is 7820231. The next prime is 7820243. The reversal of 7820235 is 5320287.

It is not a de Polignac number, because 7820235 - 2² = 7820231 is a prime.

It is a super-2 number, since 2×7820235² = 122312150910450, which contains 22 as substring.

7820235 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7820199 and 7820208.

It is not an unprimeable number, because it can be changed into a prime (7820231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86847 + ... + 86936.

It is an arithmetic number, because the mean of its divisors is an integer number (1129596).

Almost surely, 2^7820235 is an apocalyptic number.

7820235 is a deficient number, since it is larger than the sum of its proper divisors (5734917).

7820235 is a wasteful number, since it uses less digits than its factorization.

7820235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173794 (or 173791 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 7820235 is about 2796.4683084205. The cubic root of 7820235 is about 198.4905954806.

The spelling of 7820235 in words is "seven million, eight hundred twenty thousand, two hundred thirty-five".