30737994 has 24 divisors (see below), whose sum is σ = 71513568. Its totient is φ = 8782200.

The previous prime is 30737977. The next prime is 30738007. The reversal of 30737994 is 49973703.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51982 + ... + 52569.

It is an arithmetic number, because the mean of its divisors is an integer number (2979732).

Almost surely, 2^30737994 is an apocalyptic number.

30737994 is an abundant number, since it is smaller than the sum of its proper divisors (40775574).

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

30737994 is a wasteful number, since it uses less digits than its factorization.

30737994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104570 (or 104563 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 42.

The square root of 30737994 is about 5544.1856029538. The cubic root of 30737994 is about 313.2505487751.

The spelling of 30737994 in words is "thirty million, seven hundred thirty-seven thousand, nine hundred ninety-four".