30497706 has 24 divisors (see below), whose sum is σ = 66200004. Its totient is φ = 10147200.

The previous prime is 30497671. The next prime is 30497723. The reversal of 30497706 is 60779403.

It can be written as a sum of positive squares in 2 ways, for example, as 23126481 + 7371225 = 4809^2 + 2715^2 .

It is a super-2 number, since 2×30497706² = 1860220142524872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11410 + ... + 13826.

Almost surely, 2^30497706 is an apocalyptic number.

30497706 is an abundant number, since it is smaller than the sum of its proper divisors (35702298).

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

30497706 is a wasteful number, since it uses less digits than its factorization.

30497706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3126 (or 3123 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 30497706 is about 5522.4728156868. The cubic root of 30497706 is about 312.4321550850.

The spelling of 30497706 in words is "thirty million, four hundred ninety-seven thousand, seven hundred six".