30740671 has 4 divisors (see below), whose sum is σ = 33105352. Its totient is φ = 28375992.

The previous prime is 30740639. The next prime is 30740707. The reversal of 30740671 is 17604703.

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

It is a cyclic number.

It is not a de Polignac number, because 30740671 - 2⁵ = 30740639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30740771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1182321 + ... + 1182346.

It is an arithmetic number, because the mean of its divisors is an integer number (8276338).

Almost surely, 2^30740671 is an apocalyptic number.

30740671 is a deficient number, since it is larger than the sum of its proper divisors (2364681).

30740671 is a wasteful number, since it uses less digits than its factorization.

30740671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364680.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 30740671 is about 5544.4270217940. The cubic root of 30740671 is about 313.2596422700.

The spelling of 30740671 in words is "thirty million, seven hundred forty thousand, six hundred seventy-one".