30648694 has 4 divisors (see below), whose sum is σ = 45973044. Its totient is φ = 15324346.

The previous prime is 30648661. The next prime is 30648697. The reversal of 30648694 is 49684603.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49684603 = 73 ⋅680611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30648697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7662172 + ... + 7662175.

It is an arithmetic number, because the mean of its divisors is an integer number (11493261).

Almost surely, 2^30648694 is an apocalyptic number.

30648694 is a deficient number, since it is larger than the sum of its proper divisors (15324350).

30648694 is a wasteful number, since it uses less digits than its factorization.

30648694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15324349.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 30648694 is about 5536.1262630110. The cubic root of 30648694 is about 312.9469027713.

The spelling of 30648694 in words is "thirty million, six hundred forty-eight thousand, six hundred ninety-four".