30793290 has 96 divisors (see below), whose sum is σ = 86184000. Its totient is φ = 7011840.

The previous prime is 30793277. The next prime is 30793303. The reversal of 30793290 is 9239703.

It is an interprime number because it is at equal distance from previous prime (30793277) and next prime (30793303).

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61461 + ... + 61959.

It is an arithmetic number, because the mean of its divisors is an integer number (897750).

Almost surely, 2^30793290 is an apocalyptic number.

30793290 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30793290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43092000).

30793290 is an abundant number, since it is smaller than the sum of its proper divisors (55390710).

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

30793290 is a wasteful number, since it uses less digits than its factorization.

30793290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548 (or 537 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 33.

The square root of 30793290 is about 5549.1702082383. The cubic root of 30793290 is about 313.4382765526.

The spelling of 30793290 in words is "thirty million, seven hundred ninety-three thousand, two hundred ninety".