30699950 has 12 divisors (see below), whose sum is σ = 57102000. Its totient is φ = 12279960.

The previous prime is 30699923. The next prime is 30699967. The reversal of 30699950 is 5999603.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30699898 and 30699907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 306950 + ... + 307049.

It is an arithmetic number, because the mean of its divisors is an integer number (4758500).

Almost surely, 2^30699950 is an apocalyptic number.

30699950 is a deficient number, since it is larger than the sum of its proper divisors (26402050).

30699950 is a wasteful number, since it uses less digits than its factorization.

30699950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614011 (or 614006 counting only the distinct ones).

The product of its (nonzero) digits is 65610, while the sum is 41.

The square root of 30699950 is about 5540.7535588582. The cubic root of 30699950 is about 313.1212600964.

The spelling of 30699950 in words is "thirty million, six hundred ninety-nine thousand, nine hundred fifty".