30642426 has 24 divisors (see below), whose sum is σ = 66508884. Its totient is φ = 10196160.

The previous prime is 30642419. The next prime is 30642431. The reversal of 30642426 is 62424603.

It can be written as a sum of positive squares in 2 ways, for example, as 29322225 + 1320201 = 5415^2 + 1149^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30642426.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12580 + ... + 14816.

Almost surely, 2^30642426 is an apocalyptic number.

30642426 is an abundant number, since it is smaller than the sum of its proper divisors (35866458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30642426 is a wasteful number, since it uses less digits than its factorization.

30642426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3006 (or 3003 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 30642426 is about 5535.5601342592. The cubic root of 30642426 is about 312.9255676053.

The spelling of 30642426 in words is "thirty million, six hundred forty-two thousand, four hundred twenty-six".