7239090 has 16 divisors (see below), whose sum is σ = 17373888. Its totient is φ = 1930416.

The previous prime is 7239073. The next prime is 7239101. The reversal of 7239090 is 909327.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 241303 = 7239090 / (7 + 2 + 3 + 9 + 0 + 9 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120622 + ... + 120681.

It is an arithmetic number, because the mean of its divisors is an integer number (1085868).

Almost surely, 2^7239090 is an apocalyptic number.

7239090 is an abundant number, since it is smaller than the sum of its proper divisors (10134798).

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

7239090 is a wasteful number, since it uses less digits than its factorization.

7239090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241313.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 7239090 is about 2690.5557046826. Note that the first 3 decimals coincide. The cubic root of 7239090 is about 193.4466999269.

The spelling of 7239090 in words is "seven million, two hundred thirty-nine thousand, ninety".