30679429 has 12 divisors (see below), whose sum is σ = 34814080. Its totient is φ = 26987400.

The previous prime is 30679427. The next prime is 30679463. The reversal of 30679429 is 92497603.

It is not a de Polignac number, because 30679429 - 2¹ = 30679427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30679391 and 30679400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30679427) 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, 339 + ... + 7840.

Almost surely, 2^30679429 is an apocalyptic number.

It is an amenable number.

30679429 is a deficient number, since it is larger than the sum of its proper divisors (4134651).

30679429 is a wasteful number, since it uses less digits than its factorization.

30679429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8232 (or 8221 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 30679429 is about 5538.9014253731. The cubic root of 30679429 is about 313.0514772074.

The spelling of 30679429 in words is "thirty million, six hundred seventy-nine thousand, four hundred twenty-nine".