7742230 has 8 divisors (see below), whose sum is σ = 13936032. Its totient is φ = 3096888.

The previous prime is 7742221. The next prime is 7742239. The reversal of 7742230 is 322477.

It is an interprime number because it is at equal distance from previous prime (7742221) and next prime (7742239).

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

It is a junction number, because it is equal to n+sod(n) for n = 7742195 and 7742204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7742239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387102 + ... + 387121.

It is an arithmetic number, because the mean of its divisors is an integer number (1742004).

Almost surely, 2^7742230 is an apocalyptic number.

7742230 is a deficient number, since it is larger than the sum of its proper divisors (6193802).

7742230 is a wasteful number, since it uses less digits than its factorization.

7742230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774230.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 7742230 is about 2782.4862982592. The cubic root of 7742230 is about 197.8284232777.

The spelling of 7742230 in words is "seven million, seven hundred forty-two thousand, two hundred thirty".