30707274 has 16 divisors (see below), whose sum is σ = 66138912. Its totient is φ = 9448368.

The previous prime is 30707273. The next prime is 30707293. The reversal of 30707274 is 47270703.

It is a happy number.

It is a super-2 number, since 2×30707274² = 1885873353022152, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (30707273) 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, 196764 + ... + 196919.

It is an arithmetic number, because the mean of its divisors is an integer number (4133682).

Almost surely, 2^30707274 is an apocalyptic number.

30707274 is an abundant number, since it is smaller than the sum of its proper divisors (35431638).

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

30707274 is a wasteful number, since it uses less digits than its factorization.

30707274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393701.

The product of its (nonzero) digits is 8232, while the sum is 30.

The square root of 30707274 is about 5541.4144403753. The cubic root of 30707274 is about 313.1461582669.

Adding to 30707274 its reverse (47270703), we get a palindrome (77977977).

The spelling of 30707274 in words is "thirty million, seven hundred seven thousand, two hundred seventy-four".