30740340 has 96 divisors (see below), whose sum is σ = 90244224. Its totient is φ = 7810560.

The previous prime is 30740321. The next prime is 30740393. The reversal of 30740340 is 4304703.

30740340 = T₃₇₅ + T₃₇₆ + ... + T₆₁₈.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135307 + ... + 135533.

It is an arithmetic number, because the mean of its divisors is an integer number (940044).

Almost surely, 2^30740340 is an apocalyptic number.

30740340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30740340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45122112).

30740340 is an abundant number, since it is smaller than the sum of its proper divisors (59503884).

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

30740340 is a wasteful number, since it uses less digits than its factorization.

30740340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 30740340 is about 5544.3971719205. The cubic root of 30740340 is about 313.2585179255.

The spelling of 30740340 in words is "thirty million, seven hundred forty thousand, three hundred forty".