30627442 has 32 divisors (see below), whose sum is σ = 49273344. Its totient is φ = 14256000.

The previous prime is 30627439. The next prime is 30627479. The reversal of 30627442 is 24472603.

It is a self number, because there is not a number n which added to its sum of digits gives 30627442.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303192 + ... + 303292.

It is an arithmetic number, because the mean of its divisors is an integer number (1539792).

Almost surely, 2^30627442 is an apocalyptic number.

30627442 is a deficient number, since it is larger than the sum of its proper divisors (18645902).

30627442 is a wasteful number, since it uses less digits than its factorization.

30627442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 30627442 is about 5534.2065375264. The cubic root of 30627442 is about 312.8745529197.

The spelling of 30627442 in words is "thirty million, six hundred twenty-seven thousand, four hundred forty-two".