30372426 has 24 divisors (see below), whose sum is σ = 75208224. Its totient is φ = 8677800.

The previous prime is 30372403. The next prime is 30372427. The reversal of 30372426 is 62427303.

It is a super-2 number, since 2×30372426² = 1844968522250952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30372426.

It is not an unprimeable number, because it can be changed into a prime (30372427) 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, 120400 + ... + 120651.

It is an arithmetic number, because the mean of its divisors is an integer number (3133676).

Almost surely, 2^30372426 is an apocalyptic number.

30372426 is an abundant number, since it is smaller than the sum of its proper divisors (44835798).

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

30372426 is a wasteful number, since it uses less digits than its factorization.

30372426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241066 (or 241063 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 30372426 is about 5511.1183982927. The cubic root of 30372426 is about 312.0037598166.

Adding to 30372426 its reverse (62427303), we get a palindrome (92799729).

The spelling of 30372426 in words is "thirty million, three hundred seventy-two thousand, four hundred twenty-six".