30746490 has 16 divisors (see below), whose sum is σ = 73791648. Its totient is φ = 8199056.

The previous prime is 30746477. The next prime is 30746491. The reversal of 30746490 is 9464703.

It is not an unprimeable number, because it can be changed into a prime (30746491) 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, 512412 + ... + 512471.

It is an arithmetic number, because the mean of its divisors is an integer number (4611978).

Almost surely, 2^30746490 is an apocalyptic number.

30746490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30746490 is an abundant number, since it is smaller than the sum of its proper divisors (43045158).

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

30746490 is a wasteful number, since it uses less digits than its factorization.

30746490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024893.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 30746490 is about 5544.9517581310. The cubic root of 30746490 is about 313.2794069964.

The spelling of 30746490 in words is "thirty million, seven hundred forty-six thousand, four hundred ninety".