30700916 has 6 divisors (see below), whose sum is σ = 53726610. Its totient is φ = 15350456.

The previous prime is 30700913. The next prime is 30700927. The reversal of 30700916 is 61900703.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16032016 + 14668900 = 4004^2 + 3830^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30700913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3837611 + ... + 3837618.

It is an arithmetic number, because the mean of its divisors is an integer number (8954435).

Almost surely, 2^30700916 is an apocalyptic number.

It is an amenable number.

30700916 is a deficient number, since it is larger than the sum of its proper divisors (23025694).

30700916 is a wasteful number, since it uses less digits than its factorization.

30700916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7675233 (or 7675231 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 30700916 is about 5540.8407304307. The cubic root of 30700916 is about 313.1245442707.

The spelling of 30700916 in words is "thirty million, seven hundred thousand, nine hundred sixteen".