7790242 has 16 divisors (see below), whose sum is σ = 12013920. Its totient is φ = 3787168.

The previous prime is 7790219. The next prime is 7790243. The reversal of 7790242 is 2420977.

It is a happy number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7790243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12318 + ... + 12934.

It is an arithmetic number, because the mean of its divisors is an integer number (750870).

Almost surely, 2^7790242 is an apocalyptic number.

7790242 is a deficient number, since it is larger than the sum of its proper divisors (4223678).

7790242 is a wasteful number, since it uses less digits than its factorization.

7790242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 7790242 is about 2791.1004998029. The cubic root of 7790242 is about 198.2365129356.

The spelling of 7790242 in words is "seven million, seven hundred ninety thousand, two hundred forty-two".