30743402 has 4 divisors (see below), whose sum is σ = 46115106. Its totient is φ = 15371700.

The previous prime is 30743369. The next prime is 30743417. The reversal of 30743402 is 20434703.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28526281 + 2217121 = 5341^2 + 1489^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7685849 + ... + 7685852.

Almost surely, 2^30743402 is an apocalyptic number.

30743402 is a deficient number, since it is larger than the sum of its proper divisors (15371704).

30743402 is a wasteful number, since it uses less digits than its factorization.

30743402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15371703.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 30743402 is about 5544.6732996634. The cubic root of 30743402 is about 313.2689186534.

The spelling of 30743402 in words is "thirty million, seven hundred forty-three thousand, four hundred two".