30540743 has 2 divisors, whose sum is σ = 30540744. Its totient is φ = 30540742.

The previous prime is 30540737. The next prime is 30540749. The reversal of 30540743 is 34704503.

It is a balanced prime because it is at equal distance from previous prime (30540737) and next prime (30540749).

It is a cyclic number.

It is not a de Polignac number, because 30540743 - 2²⁰ = 29492167 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30540749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15270371 + 15270372.

It is an arithmetic number, because the mean of its divisors is an integer number (15270372).

Almost surely, 2^30540743 is an apocalyptic number.

30540743 is a deficient number, since it is larger than the sum of its proper divisors (1).

30540743 is an equidigital number, since it uses as much as digits as its factorization.

30540743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 30540743 is about 5526.3679754428. The cubic root of 30540743 is about 312.5790494421.

The spelling of 30540743 in words is "thirty million, five hundred forty thousand, seven hundred forty-three".