30412772 has 24 divisors (see below), whose sum is σ = 57624000. Its totient is φ = 13961376.

The previous prime is 30412771. The next prime is 30412801. The reversal of 30412772 is 27721403.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30412771) 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, 8879 + ... + 11817.

It is an arithmetic number, because the mean of its divisors is an integer number (2401000).

Almost surely, 2^30412772 is an apocalyptic number.

It is an amenable number.

30412772 is a deficient number, since it is larger than the sum of its proper divisors (27211228).

30412772 is a wasteful number, since it uses less digits than its factorization.

30412772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3155 (or 3153 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 30412772 is about 5514.7776020434. Note that the first 3 decimals coincide. The cubic root of 30412772 is about 312.1418514516.

The spelling of 30412772 in words is "thirty million, four hundred twelve thousand, seven hundred seventy-two".