30961476 has 108 divisors (see below), whose sum is σ = 96987072. Its totient is φ = 8154432.

The previous prime is 30961433. The next prime is 30961501. The reversal of 30961476 is 67416903.

30961476 is a `hidden beast` number, since 30 + 9 + 614 + 7 + 6 = 666.

It is a super-2 number, since 2×30961476² = 1917225992197152, which contains 22 as substring.

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

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 30961476.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 42225 + ... + 42951.

Almost surely, 2^30961476 is an apocalyptic number.

30961476 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30961476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48493536).

30961476 is an abundant number, since it is smaller than the sum of its proper divisors (66025596).

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

30961476 is a wasteful number, since it uses less digits than its factorization.

30961476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770 (or 752 counting only the distinct ones).

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

The square root of 30961476 is about 5564.3037300277. The cubic root of 30961476 is about 314.0078838271.

The spelling of 30961476 in words is "thirty million, nine hundred sixty-one thousand, four hundred seventy-six".