7240055 has 16 divisors (see below), whose sum is σ = 9146304. Its totient is φ = 5491200.

The previous prime is 7240033. The next prime is 7240063. The reversal of 7240055 is 5500427.

It is not a de Polignac number, because 7240055 - 2¹⁰ = 7239031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7240055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17855 + ... + 18255.

It is an arithmetic number, because the mean of its divisors is an integer number (571644).

Almost surely, 2^7240055 is an apocalyptic number.

7240055 is a deficient number, since it is larger than the sum of its proper divisors (1906249).

7240055 is a wasteful number, since it uses less digits than its factorization.

7240055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586.

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 7240055 is about 2690.7350296898. The cubic root of 7240055 is about 193.4552952877.

The spelling of 7240055 in words is "seven million, two hundred forty thousand, fifty-five".