30827740 has 24 divisors (see below), whose sum is σ = 65216592. Its totient is φ = 12240000.

The previous prime is 30827711. The next prime is 30827759. The reversal of 30827740 is 4772803.

It is a congruent number.

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, 2886 + ... + 8365.

It is an arithmetic number, because the mean of its divisors is an integer number (2717358).

Almost surely, 2^30827740 is an apocalyptic number.

It is an amenable number.

30827740 is an abundant number, since it is smaller than the sum of its proper divisors (34388852).

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

30827740 is a wasteful number, since it uses less digits than its factorization.

30827740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11397 (or 11395 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 30827740 is about 5552.2734082536. The cubic root of 30827740 is about 313.5551193712. Note that the first 3 decimals are identical.

The spelling of 30827740 in words is "thirty million, eight hundred twenty-seven thousand, seven hundred forty".