30465740 has 24 divisors (see below), whose sum is σ = 67346160. Its totient is φ = 11544768.

The previous prime is 30465737. The next prime is 30465749. The reversal of 30465740 is 4756403.

It is a super-2 number, since 2×30465740² = 1856322627495200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30465749) 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, 39707 + ... + 40466.

It is an arithmetic number, because the mean of its divisors is an integer number (2806090).

Almost surely, 2^30465740 is an apocalyptic number.

It is an amenable number.

30465740 is an abundant number, since it is smaller than the sum of its proper divisors (36880420).

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

30465740 is a wasteful number, since it uses less digits than its factorization.

30465740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80201 (or 80199 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 30465740 is about 5519.5778824109. The cubic root of 30465740 is about 312.3229589196.

The spelling of 30465740 in words is "thirty million, four hundred sixty-five thousand, seven hundred forty".