30740769 has 8 divisors (see below), whose sum is σ = 45541920. Its totient is φ = 20493828.

The previous prime is 30740761. The next prime is 30740771. The reversal of 30740769 is 96704703.

It is not a de Polignac number, because 30740769 - 2³ = 30740761 is a prime.

It is a super-2 number, since 2×30740769² = 1889989757422722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30740761) 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, 569247 + ... + 569300.

It is an arithmetic number, because the mean of its divisors is an integer number (5692740).

Almost surely, 2^30740769 is an apocalyptic number.

It is an amenable number.

30740769 is a deficient number, since it is larger than the sum of its proper divisors (14801151).

30740769 is a wasteful number, since it uses less digits than its factorization.

30740769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138556 (or 1138550 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 30740769 is about 5544.4358594901. The cubic root of 30740769 is about 313.2599751559.

The spelling of 30740769 in words is "thirty million, seven hundred forty thousand, seven hundred sixty-nine".