30493741 has 4 divisors (see below), whose sum is σ = 31142592. Its totient is φ = 29844892.

The previous prime is 30493721. The next prime is 30493747. The reversal of 30493741 is 14739403.

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.

It is a cyclic number.

It is not a de Polignac number, because 30493741 - 2¹⁵ = 30460973 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 (30493747) 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, 324355 + ... + 324448.

It is an arithmetic number, because the mean of its divisors is an integer number (7785648).

Almost surely, 2^30493741 is an apocalyptic number.

It is an amenable number.

30493741 is a deficient number, since it is larger than the sum of its proper divisors (648851).

30493741 is an equidigital number, since it uses as much as digits as its factorization.

30493741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648850.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 30493741 is about 5522.1138162845. The cubic root of 30493741 is about 312.4186147531.

The spelling of 30493741 in words is "thirty million, four hundred ninety-three thousand, seven hundred forty-one".