29930625 has 60 divisors (see below), whose sum is σ = 57384756. Its totient is φ = 14976000.

The previous prime is 29930617. The next prime is 29930647. The reversal of 29930625 is 52603992.

29930625 is a `hidden beast` number, since 29 + 9 + 3 + 0 + 625 = 666.

It can be written as a sum of positive squares in 10 ways, for example, as 27373824 + 2556801 = 5232^2 + 1599^2 .

It is not a de Polignac number, because 29930625 - 2³ = 29930617 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 29930625.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 95469 + ... + 95781.

Almost surely, 2^29930625 is an apocalyptic number.

29930625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29930625 is a deficient number, since it is larger than the sum of its proper divisors (27454131).

29930625 is a wasteful number, since it uses less digits than its factorization.

29930625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 29930625 is about 5470.8888674511. Note that the first 4 decimals coincide. The cubic root of 29930625 is about 310.4835498920.

The spelling of 29930625 in words is "twenty-nine million, nine hundred thirty thousand, six hundred twenty-five".