30973340 has 24 divisors (see below), whose sum is σ = 67143552. Its totient is φ = 11989440.

The previous prime is 30973307. The next prime is 30973351. The reversal of 30973340 is 4337903.

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, 24359 + ... + 25598.

It is an arithmetic number, because the mean of its divisors is an integer number (2797648).

Almost surely, 2^30973340 is an apocalyptic number.

It is an amenable number.

30973340 is an abundant number, since it is smaller than the sum of its proper divisors (36170212).

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

30973340 is a wasteful number, since it uses less digits than its factorization.

30973340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49997 (or 49995 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 29.

The square root of 30973340 is about 5565.3697091927. The cubic root of 30973340 is about 314.0479864996.

It can be divided in two parts, 30973 and 340, that added together give a palindrome (31313).

The spelling of 30973340 in words is "thirty million, nine hundred seventy-three thousand, three hundred forty".