30761372 has 6 divisors (see below), whose sum is σ = 53832408. Its totient is φ = 15380684.

The previous prime is 30761371. The next prime is 30761387. The reversal of 30761372 is 27316703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30761371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3845168 + ... + 3845175.

It is an arithmetic number, because the mean of its divisors is an integer number (8972068).

Almost surely, 2^30761372 is an apocalyptic number.

It is an amenable number.

30761372 is a deficient number, since it is larger than the sum of its proper divisors (23071036).

30761372 is a wasteful number, since it uses less digits than its factorization.

30761372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7690347 (or 7690345 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 30761372 is about 5546.2935371291. The cubic root of 30761372 is about 313.3299436281.

The spelling of 30761372 in words is "thirty million, seven hundred sixty-one thousand, three hundred seventy-two".