30746916 has 36 divisors (see below), whose sum is σ = 80231424. Its totient is φ = 9918000.

The previous prime is 30746909. The next prime is 30746917. The reversal of 30746916 is 61964703.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×30746916² = 1890745687022112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (30746917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12660 + ... + 14891.

Almost surely, 2^30746916 is an apocalyptic number.

30746916 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30746916 is an abundant number, since it is smaller than the sum of its proper divisors (49484508).

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

30746916 is a wasteful number, since it uses less digits than its factorization.

30746916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27592 (or 27587 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 30746916 is about 5544.9901713168. The cubic root of 30746916 is about 313.2808538435.

The spelling of 30746916 in words is "thirty million, seven hundred forty-six thousand, nine hundred sixteen".