30657047746 has 32 divisors (see below), whose sum is σ = 50886844848. Its totient is φ = 13760098560.

The previous prime is 30657047741. The next prime is 30657047753. The reversal of 30657047746 is 64774075603.

It can be written as a sum of positive squares in 8 ways, for example, as 7266710025 + 23390337721 = 85245^2 + 152939^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30657047746.

It is not an unprimeable number, because it can be changed into a prime (30657047741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2245236 + ... + 2258848.

Almost surely, 2^30657047746 is an apocalyptic number.

30657047746 is a deficient number, since it is larger than the sum of its proper divisors (20229797102).

30657047746 is a wasteful number, since it uses less digits than its factorization.

30657047746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16006.

The product of its (nonzero) digits is 2963520, while the sum is 49.

The spelling of 30657047746 in words is "thirty billion, six hundred fifty-seven million, forty-seven thousand, seven hundred forty-six".