7428071 has 8 divisors (see below), whose sum is σ = 8524320. Its totient is φ = 6340608.

The previous prime is 7428067. The next prime is 7428079. The reversal of 7428071 is 1708247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7428071 - 2² = 7428067 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7428079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266 + ... + 3863.

It is an arithmetic number, because the mean of its divisors is an integer number (1065540).

Almost surely, 2^7428071 is an apocalyptic number.

7428071 is a deficient number, since it is larger than the sum of its proper divisors (1096249).

7428071 is a wasteful number, since it uses less digits than its factorization.

7428071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4393.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 7428071 is about 2725.4487703863. The cubic root of 7428071 is about 195.1156097267.

The spelling of 7428071 in words is "seven million, four hundred twenty-eight thousand, seventy-one".