7402403 has 2 divisors, whose sum is σ = 7402404. Its totient is φ = 7402402.

The previous prime is 7402399. The next prime is 7402433. The reversal of 7402403 is 3042047.

It is a happy number.

7402403 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7402403 - 2² = 7402399 is a prime.

It is a nialpdrome in base 14.

It is not a weakly prime, because it can be changed into another prime (7402433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3701201 + 3701202.

It is an arithmetic number, because the mean of its divisors is an integer number (3701202).

Almost surely, 2^7402403 is an apocalyptic number.

7402403 is a deficient number, since it is larger than the sum of its proper divisors (1).

7402403 is an equidigital number, since it uses as much as digits as its factorization.

7402403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 7402403 is about 2720.7357460805. The cubic root of 7402403 is about 194.8906070631.

The spelling of 7402403 in words is "seven million, four hundred two thousand, four hundred three".