30480746 has 4 divisors (see below), whose sum is σ = 45721122. Its totient is φ = 15240372.

The previous prime is 30480743. The next prime is 30480763. The reversal of 30480746 is 64708403.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64708403 = 619 ⋅104537.

It can be written as a sum of positive squares in only one way, i.e., 28890625 + 1590121 = 5375^2 + 1261^2 .

It is not an unprimeable number, because it can be changed into a prime (30480743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7620185 + ... + 7620188.

Almost surely, 2^30480746 is an apocalyptic number.

30480746 is a deficient number, since it is larger than the sum of its proper divisors (15240376).

30480746 is a wasteful number, since it uses less digits than its factorization.

30480746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15240375.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 30480746 is about 5520.9370581451. The cubic root of 30480746 is about 312.3742290681.

The spelling of 30480746 in words is "thirty million, four hundred eighty thousand, seven hundred forty-six".