30626772 has 48 divisors (see below), whose sum is σ = 79145472. Its totient is φ = 9139680.

The previous prime is 30626753. The next prime is 30626779. The reversal of 30626772 is 27762603.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30626779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7113 + ... + 10575.

It is an arithmetic number, because the mean of its divisors is an integer number (1648864).

Almost surely, 2^30626772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30626772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39572736).

30626772 is an abundant number, since it is smaller than the sum of its proper divisors (48518700).

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

30626772 is a wasteful number, since it uses less digits than its factorization.

30626772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3548 (or 3546 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 30626772 is about 5534.1460045792. The cubic root of 30626772 is about 312.8722714419.

The spelling of 30626772 in words is "thirty million, six hundred twenty-six thousand, seven hundred seventy-two".