30790051 has 12 divisors (see below), whose sum is σ = 32992680. Its totient is φ = 28734156.

The previous prime is 30790049. The next prime is 30790061. The reversal of 30790051 is 15009703.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 30790051 - 2¹ = 30790049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30789998 and 30790025.

It is not an unprimeable number, because it can be changed into a prime (30790061) 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, 459520 + ... + 459586.

It is an arithmetic number, because the mean of its divisors is an integer number (2749390).

Almost surely, 2^30790051 is an apocalyptic number.

30790051 is a deficient number, since it is larger than the sum of its proper divisors (2202629).

30790051 is an frugal number, since it uses more digits than its factorization.

30790051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 30790051 is about 5548.8783551273. The cubic root of 30790051 is about 313.4272864724.

Adding to 30790051 its reverse (15009703), we get a palindrome (45799754).

The spelling of 30790051 in words is "thirty million, seven hundred ninety thousand, fifty-one".