30641650 has 96 divisors (see below), whose sum is σ = 67495680. Its totient is φ = 10245120.

The previous prime is 30641641. The next prime is 30641659. The reversal of 30641650 is 5614603.

It is an interprime number because it is at equal distance from previous prime (30641641) and next prime (30641659).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (30641659) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 519321 + ... + 519379.

It is an arithmetic number, because the mean of its divisors is an integer number (703080).

Almost surely, 2^30641650 is an apocalyptic number.

30641650 is an abundant number, since it is smaller than the sum of its proper divisors (36854030).

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

30641650 is a wasteful number, since it uses less digits than its factorization.

30641650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 30641650 is about 5535.4900415410. The cubic root of 30641650 is about 312.9229260359.

It can be divided in two parts, 306 and 41650, that multiplied together give a square (12744900 = 3570²).

The spelling of 30641650 in words is "thirty million, six hundred forty-one thousand, six hundred fifty".