30028701 has 4 divisors (see below), whose sum is σ = 40038272. Its totient is φ = 20019132.

The previous prime is 30028679. The next prime is 30028711. The reversal of 30028701 is 10782003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10782003 = 3 ⋅3594001.

It is not a de Polignac number, because 30028701 - 2⁶ = 30028637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30028711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5004781 + ... + 5004786.

It is an arithmetic number, because the mean of its divisors is an integer number (10009568).

Almost surely, 2^30028701 is an apocalyptic number.

It is an amenable number.

30028701 is a deficient number, since it is larger than the sum of its proper divisors (10009571).

30028701 is a wasteful number, since it uses less digits than its factorization.

30028701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10009570.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 30028701 is about 5479.8449795592. The cubic root of 30028701 is about 310.8223086571.

The spelling of 30028701 in words is "thirty million, twenty-eight thousand, seven hundred one".