7478073 has 12 divisors (see below), whose sum is σ = 10985520. Its totient is φ = 4900536.

The previous prime is 7478069. The next prime is 7478089. The reversal of 7478073 is 3708747.

It is a happy number.

7478073 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7478073 - 2² = 7478069 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

7478073 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7478573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6511 + ... + 7572.

It is an arithmetic number, because the mean of its divisors is an integer number (915460).

Almost surely, 2^7478073 is an apocalyptic number.

It is an amenable number.

7478073 is a deficient number, since it is larger than the sum of its proper divisors (3507447).

7478073 is a wasteful number, since it uses less digits than its factorization.

7478073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14148 (or 14145 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 7478073 is about 2734.6065530529. The cubic root of 7478073 is about 195.5524374048.

The spelling of 7478073 in words is "seven million, four hundred seventy-eight thousand, seventy-three".