30726460 has 24 divisors (see below), whose sum is σ = 64629936. Its totient is φ = 12270720.

The previous prime is 30726431. The next prime is 30726461. The reversal of 30726460 is 6462703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30726461) 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, 22600 + ... + 23920.

It is an arithmetic number, because the mean of its divisors is an integer number (2692914).

Almost surely, 2^30726460 is an apocalyptic number.

It is an amenable number.

30726460 is an abundant number, since it is smaller than the sum of its proper divisors (33903476).

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

30726460 is a wasteful number, since it uses less digits than its factorization.

30726460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493 (or 2491 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 30726460 is about 5543.1453165148. The cubic root of 30726460 is about 313.2113629189.

The spelling of 30726460 in words is "thirty million, seven hundred twenty-six thousand, four hundred sixty".