30770425 has 24 divisors (see below), whose sum is σ = 46175616. Its totient is φ = 19856640.

The previous prime is 30770423. The next prime is 30770429. The reversal of 30770425 is 52407703.

It is not a de Polignac number, because 30770425 - 2¹ = 30770423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30770393 and 30770402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30770423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2197 + ... + 8146.

It is an arithmetic number, because the mean of its divisors is an integer number (1923984).

Almost surely, 2^30770425 is an apocalyptic number.

30770425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30770425 is a deficient number, since it is larger than the sum of its proper divisors (15405191).

30770425 is a wasteful number, since it uses less digits than its factorization.

30770425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10377 (or 10372 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 30770425 is about 5547.1096077146. The cubic root of 30770425 is about 313.3606780371.

The spelling of 30770425 in words is "thirty million, seven hundred seventy thousand, four hundred twenty-five".