30673936 has 10 divisors (see below), whose sum is σ = 59430782. Its totient is φ = 15336960.

The previous prime is 30673931. The next prime is 30673949. The reversal of 30673936 is 63937603.

It can be written as a sum of positive squares in only one way, i.e., 23619600 + 7054336 = 4860^2 + 2656^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30673895 and 30673904.

It is not an unprimeable number, because it can be changed into a prime (30673931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 958545 + ... + 958576.

Almost surely, 2^30673936 is an apocalyptic number.

It is an amenable number.

30673936 is a deficient number, since it is larger than the sum of its proper divisors (28756846).

30673936 is a wasteful number, since it uses less digits than its factorization.

30673936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917129 (or 1917123 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 37.

The square root of 30673936 is about 5538.4055467255. The cubic root of 30673936 is about 313.0327926528.

The spelling of 30673936 in words is "thirty million, six hundred seventy-three thousand, nine hundred thirty-six".