30740192 has 48 divisors (see below), whose sum is σ = 71053920. Its totient is φ = 12814848.

The previous prime is 30740179. The next prime is 30740219. The reversal of 30740192 is 29104703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6434 + ... + 10142.

It is an arithmetic number, because the mean of its divisors is an integer number (1480290).

Almost surely, 2^30740192 is an apocalyptic number.

30740192 is a gapful number since it is divisible by the number (32) 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 30740192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35526960).

30740192 is an abundant number, since it is smaller than the sum of its proper divisors (40313728).

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

30740192 is a wasteful number, since it uses less digits than its factorization.

30740192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3763 (or 3755 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 30740192 is about 5544.3838250972. The cubic root of 30740192 is about 313.2580151948.

Adding to 30740192 its reverse (29104703), we get a palindrome (59844895).

The spelling of 30740192 in words is "thirty million, seven hundred forty thousand, one hundred ninety-two".