7457007 has 4 divisors (see below), whose sum is σ = 9942680. Its totient is φ = 4971336.

The previous prime is 7456997. The next prime is 7457011. The reversal of 7457007 is 7007547.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7007547 = 3 ⋅2335849.

It is not a de Polignac number, because 7457007 - 2⁸ = 7456751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7457077) 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, 1242832 + ... + 1242837.

It is an arithmetic number, because the mean of its divisors is an integer number (2485670).

Almost surely, 2^7457007 is an apocalyptic number.

7457007 is a deficient number, since it is larger than the sum of its proper divisors (2485673).

7457007 is a wasteful number, since it uses less digits than its factorization.

7457007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2485672.

The product of its (nonzero) digits is 6860, while the sum is 30.

The square root of 7457007 is about 2730.7520942041. The cubic root of 7457007 is about 195.3686386295.

The spelling of 7457007 in words is "seven million, four hundred fifty-seven thousand, seven".