30777994 has 8 divisors (see below), whose sum is σ = 49718340. Its totient is φ = 14205216.

The previous prime is 30777941. The next prime is 30778021. The reversal of 30777994 is 49977703.

It can be written as a sum of positive squares in 2 ways, for example, as 29648025 + 1129969 = 5445^2 + 1063^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 591859 + ... + 591910.

Almost surely, 2^30777994 is an apocalyptic number.

30777994 is a deficient number, since it is larger than the sum of its proper divisors (18940346).

30777994 is a wasteful number, since it uses less digits than its factorization.

30777994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183784.

The product of its (nonzero) digits is 333396, while the sum is 46.

The square root of 30777994 is about 5547.7918129649. The cubic root of 30777994 is about 313.3863697256.

The spelling of 30777994 in words is "thirty million, seven hundred seventy-seven thousand, nine hundred ninety-four".