30769999 has 12 divisors (see below), whose sum is σ = 33553416. Its totient is φ = 28203552.

The previous prime is 30769961. The next prime is 30770023. The reversal of 30769999 is 99996703.

It is not a de Polignac number, because 30769999 - 2¹⁹ = 30245711 is a prime.

30769999 is a modest number, since divided by 9999 gives 3076 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30769799) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26989 + ... + 28105.

It is an arithmetic number, because the mean of its divisors is an integer number (2796118).

Almost surely, 2^30769999 is an apocalyptic number.

30769999 is a deficient number, since it is larger than the sum of its proper divisors (2783417).

30769999 is a wasteful number, since it uses less digits than its factorization.

30769999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306 (or 1293 counting only the distinct ones).

The product of its (nonzero) digits is 826686, while the sum is 52.

The square root of 30769999 is about 5547.0712092058. The cubic root of 30769999 is about 313.3592319270.

The spelling of 30769999 in words is "thirty million, seven hundred sixty-nine thousand, nine hundred ninety-nine".