7428051 has 16 divisors (see below), whose sum is σ = 11115520. Its totient is φ = 4902120.

The previous prime is 7428049. The next prime is 7428067. The reversal of 7428051 is 1508247.

It is not a de Polignac number, because 7428051 - 2¹ = 7428049 is a prime.

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

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7428151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1446 + ... + 4116.

It is an arithmetic number, because the mean of its divisors is an integer number (694720).

Almost surely, 2^7428051 is an apocalyptic number.

7428051 is a deficient number, since it is larger than the sum of its proper divisors (3687469).

7428051 is a wasteful number, since it uses less digits than its factorization.

7428051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783 (or 2777 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 7428051 is about 2725.4451012633. The cubic root of 7428051 is about 195.1154346110.

The spelling of 7428051 in words is "seven million, four hundred twenty-eight thousand, fifty-one".