7730146 has 8 divisors (see below), whose sum is σ = 11615184. Its totient is φ = 3858420.

The previous prime is 7730123. The next prime is 7730147. The reversal of 7730146 is 6410377.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7730147) 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, 1720 + ... + 4291.

It is an arithmetic number, because the mean of its divisors is an integer number (1451898).

Almost surely, 2^7730146 is an apocalyptic number.

7730146 is a deficient number, since it is larger than the sum of its proper divisors (3885038).

7730146 is a wasteful number, since it uses less digits than its factorization.

7730146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6656.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 7730146 is about 2780.3140110426. The cubic root of 7730146 is about 197.7254467681.

The spelling of 7730146 in words is "seven million, seven hundred thirty thousand, one hundred forty-six".