30744494 has 8 divisors (see below), whose sum is σ = 50309208. Its totient is φ = 13974760.

The previous prime is 30744473. The next prime is 30744499. The reversal of 30744494 is 49444703.

It is a happy number.

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

It is a super-2 number, since 2×30744494² = 1890447822632072, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30744499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698717 + ... + 698760.

It is an arithmetic number, because the mean of its divisors is an integer number (6288651).

Almost surely, 2^30744494 is an apocalyptic number.

30744494 is a deficient number, since it is larger than the sum of its proper divisors (19564714).

30744494 is a wasteful number, since it uses less digits than its factorization.

30744494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397490.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 30744494 is about 5544.7717716783. The cubic root of 30744494 is about 313.2726276943.

The spelling of 30744494 in words is "thirty million, seven hundred forty-four thousand, four hundred ninety-four".