7428937 has 2 divisors, whose sum is σ = 7428938. Its totient is φ = 7428936.

The previous prime is 7428929. The next prime is 7428997. The reversal of 7428937 is 7398247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6661561 + 767376 = 2581^2 + 876^2 .

It is a cyclic number.

It is not a de Polignac number, because 7428937 - 2³ = 7428929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7428937.

It is not a weakly prime, because it can be changed into another prime (7428917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3714468 + 3714469.

It is an arithmetic number, because the mean of its divisors is an integer number (3714469).

Almost surely, 2^7428937 is an apocalyptic number.

It is an amenable number.

7428937 is a deficient number, since it is larger than the sum of its proper divisors (1).

7428937 is an equidigital number, since it uses as much as digits as its factorization.

7428937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 40.

The square root of 7428937 is about 2725.6076386744. The cubic root of 7428937 is about 195.1231919353.

The spelling of 7428937 in words is "seven million, four hundred twenty-eight thousand, nine hundred thirty-seven".