30040754 has 4 divisors (see below), whose sum is σ = 45061134. Its totient is φ = 15020376.

The previous prime is 30040721. The next prime is 30040757. The reversal of 30040754 is 45704003.

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., 29953729 + 87025 = 5473^2 + 295^2 .

It is not an unprimeable number, because it can be changed into a prime (30040757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7510187 + ... + 7510190.

Almost surely, 2^30040754 is an apocalyptic number.

30040754 is a deficient number, since it is larger than the sum of its proper divisors (15020380).

30040754 is a wasteful number, since it uses less digits than its factorization.

30040754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15020379.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 30040754 is about 5480.9446266132. The cubic root of 30040754 is about 310.8638893231.

Adding to 30040754 its reverse (45704003), we get a palindrome (75744757).

The spelling of 30040754 in words is "thirty million, forty thousand, seven hundred fifty-four".