7420707 has 48 divisors (see below), whose sum is σ = 13132800. Its totient is φ = 4127760.

The previous prime is 7420703. The next prime is 7420709. The reversal of 7420707 is 7070247.

It is a happy number.

It is not a de Polignac number, because 7420707 - 2² = 7420703 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7420703) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 93894 + ... + 93972.

It is an arithmetic number, because the mean of its divisors is an integer number (273600).

Almost surely, 2^7420707 is an apocalyptic number.

7420707 is a deficient number, since it is larger than the sum of its proper divisors (5712093).

7420707 is a wasteful number, since it uses less digits than its factorization.

7420707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 27.

The square root of 7420707 is about 2724.0974652167. The cubic root of 7420707 is about 195.0511108627.

The spelling of 7420707 in words is "seven million, four hundred twenty thousand, seven hundred seven".