30412518 has 16 divisors (see below), whose sum is σ = 60881520. Its totient is φ = 10128096.

The previous prime is 30412489. The next prime is 30412523. The reversal of 30412518 is 81521403.

It is a super-2 number, since 2×30412518² = 1849842502200648, which contains 22 as substring.

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, 8496 + ... + 11532.

It is an arithmetic number, because the mean of its divisors is an integer number (3805095).

Almost surely, 2^30412518 is an apocalyptic number.

30412518 is an abundant number, since it is smaller than the sum of its proper divisors (30469002).

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

30412518 is a wasteful number, since it uses less digits than its factorization.

30412518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4711.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 30412518 is about 5514.7545729615. The cubic root of 30412518 is about 312.1409824718.

The spelling of 30412518 in words is "thirty million, four hundred twelve thousand, five hundred eighteen".