30629772 has 24 divisors (see below), whose sum is σ = 79410800. Its totient is φ = 10209888.

The previous prime is 30629761. The next prime is 30629773. The reversal of 30629772 is 27792603.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (30629773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141697 + ... + 141912.

Almost surely, 2^30629772 is an apocalyptic number.

It is an amenable number.

30629772 is an abundant number, since it is smaller than the sum of its proper divisors (48781028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30629772 is a wasteful number, since it uses less digits than its factorization.

30629772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283622 (or 283614 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 30629772 is about 5534.4170424716. The cubic root of 30629772 is about 312.8824867548.

The spelling of 30629772 in words is "thirty million, six hundred twenty-nine thousand, seven hundred seventy-two".