30740811 has 32 divisors (see below), whose sum is σ = 46033920. Its totient is φ = 18146304.

The previous prime is 30740807. The next prime is 30740813. The reversal of 30740811 is 11804703.

It is not a de Polignac number, because 30740811 - 2² = 30740807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30740813) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85450 + ... + 85808.

It is an arithmetic number, because the mean of its divisors is an integer number (1438560).

Almost surely, 2^30740811 is an apocalyptic number.

30740811 is a deficient number, since it is larger than the sum of its proper divisors (15293109).

30740811 is a wasteful number, since it uses less digits than its factorization.

30740811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 30740811 is about 5544.4396470698. The cubic root of 30740811 is about 313.2601178211.

The spelling of 30740811 in words is "thirty million, seven hundred forty thousand, eight hundred eleven".