30745741 has 8 divisors (see below), whose sum is σ = 35058744. Its totient is φ = 26711040.

The previous prime is 30745691. The next prime is 30745751. The reversal of 30745741 is 14754703.

It can be written as a sum of positive squares in 4 ways, for example, as 2390116 + 28355625 = 1546^2 + 5325^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30745741 - 2¹³ = 30737549 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 (30745751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69340 + ... + 69781.

It is an arithmetic number, because the mean of its divisors is an integer number (4382343).

Almost surely, 2^30745741 is an apocalyptic number.

It is an amenable number.

30745741 is a deficient number, since it is larger than the sum of its proper divisors (4313003).

30745741 is a wasteful number, since it uses less digits than its factorization.

30745741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139151.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 30745741 is about 5544.8842188093. The cubic root of 30745741 is about 313.2768630943.

The spelling of 30745741 in words is "thirty million, seven hundred forty-five thousand, seven hundred forty-one".