30690741 has 4 divisors (see below), whose sum is σ = 40920992. Its totient is φ = 20460492.

The previous prime is 30690731. The next prime is 30690743. The reversal of 30690741 is 14709603.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14709603 = 3 ⋅4903201.

It is not a de Polignac number, because 30690741 - 2⁶ = 30690677 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30690699 and 30690708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30690743) 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, 5115121 + ... + 5115126.

It is an arithmetic number, because the mean of its divisors is an integer number (10230248).

Almost surely, 2^30690741 is an apocalyptic number.

It is an amenable number.

30690741 is a deficient number, since it is larger than the sum of its proper divisors (10230251).

30690741 is a wasteful number, since it uses less digits than its factorization.

30690741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10230250.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 30690741 is about 5539.9224723817. The cubic root of 30690741 is about 313.0899481881.

The spelling of 30690741 in words is "thirty million, six hundred ninety thousand, seven hundred forty-one".