30768461 has 16 divisors (see below), whose sum is σ = 32997888. Its totient is φ = 28641600.

The previous prime is 30768443. The next prime is 30768481. The reversal of 30768461 is 16486703.

It is a cyclic number.

It is not a de Polignac number, because 30768461 - 2¹⁴ = 30752077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30768401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100070 + ... + 100376.

It is an arithmetic number, because the mean of its divisors is an integer number (2062368).

Almost surely, 2^30768461 is an apocalyptic number.

30768461 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30768461 is a deficient number, since it is larger than the sum of its proper divisors (2229427).

30768461 is a wasteful number, since it uses less digits than its factorization.

30768461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 30768461 is about 5546.9325757575. The cubic root of 30768461 is about 313.3540108833.

The spelling of 30768461 in words is "thirty million, seven hundred sixty-eight thousand, four hundred sixty-one".