30130762 has 4 divisors (see below), whose sum is σ = 45196146. Its totient is φ = 15065380.

The previous prime is 30130757. The next prime is 30130781. The reversal of 30130762 is 26703103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26703103 = 7 ⋅3814729.

It can be written as a sum of positive squares in only one way, i.e., 30041361 + 89401 = 5481^2 + 299^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7532689 + ... + 7532692.

Almost surely, 2^30130762 is an apocalyptic number.

30130762 is a deficient number, since it is larger than the sum of its proper divisors (15065384).

30130762 is a wasteful number, since it uses less digits than its factorization.

30130762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15065383.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 30130762 is about 5489.1494787444. The cubic root of 30130762 is about 311.1740495209.

Adding to 30130762 its reverse (26703103), we get a palindrome (56833865).

The spelling of 30130762 in words is "thirty million, one hundred thirty thousand, seven hundred sixty-two".