30499970 has 16 divisors (see below), whose sum is σ = 56671488. Its totient is φ = 11806320.

The previous prime is 30499969. The next prime is 30499993. The reversal of 30499970 is 7999403.

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, 48884 + ... + 49503.

It is an arithmetic number, because the mean of its divisors is an integer number (3541968).

Almost surely, 2^30499970 is an apocalyptic number.

30499970 is a deficient number, since it is larger than the sum of its proper divisors (26171518).

30499970 is a wasteful number, since it uses less digits than its factorization.

30499970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98425.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 30499970 is about 5522.6777925206. The cubic root of 30499970 is about 312.4398860369.

The spelling of 30499970 in words is "thirty million, four hundred ninety-nine thousand, nine hundred seventy".