30969724 has 12 divisors (see below), whose sum is σ = 54261424. Its totient is φ = 15466464.

The previous prime is 30969721. The next prime is 30969727. The reversal of 30969724 is 42796903.

It is an interprime number because it is at equal distance from previous prime (30969721) and next prime (30969727).

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30969721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384 + ... + 7879.

Almost surely, 2^30969724 is an apocalyptic number.

It is an amenable number.

30969724 is a deficient number, since it is larger than the sum of its proper divisors (23291700).

30969724 is a wasteful number, since it uses less digits than its factorization.

30969724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9204 (or 9202 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 30969724 is about 5565.0448336020. The cubic root of 30969724 is about 314.0357647877.

It can be divided in two parts, 30969 and 724, that multiplied together give a triangular number (22421556 = T₆₆₉₆).

The spelling of 30969724 in words is "thirty million, nine hundred sixty-nine thousand, seven hundred twenty-four".