30722060 has 24 divisors (see below), whose sum is σ = 68312160. Its totient is φ = 11565824.

The previous prime is 30722057. The next prime is 30722093. The reversal of 30722060 is 6022703.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44840 + ... + 45519.

It is an arithmetic number, because the mean of its divisors is an integer number (2846340).

Almost surely, 2^30722060 is an apocalyptic number.

It is an amenable number.

30722060 is an abundant number, since it is smaller than the sum of its proper divisors (37590100).

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

30722060 is a wasteful number, since it uses less digits than its factorization.

30722060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90385 (or 90383 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 30722060 is about 5542.7484157230. The cubic root of 30722060 is about 313.1964116816.

Adding to 30722060 its reverse (6022703), we get a palindrome (36744763).

The spelling of 30722060 in words is "thirty million, seven hundred twenty-two thousand, sixty".