30073792 has 28 divisors (see below), whose sum is σ = 68204080. Its totient is φ = 12888576.

The previous prime is 30073777. The next prime is 30073807. The reversal of 30073792 is 29737003.

It is an interprime number because it is at equal distance from previous prime (30073777) and next prime (30073807).

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

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, 33117 + ... + 34012.

It is an arithmetic number, because the mean of its divisors is an integer number (2435860).

Almost surely, 2^30073792 is an apocalyptic number.

30073792 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30073792 is an abundant number, since it is smaller than the sum of its proper divisors (38130288).

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

30073792 is an equidigital number, since it uses as much as digits as its factorization.

30073792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67148 (or 67138 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 31.

The square root of 30073792 is about 5483.9576949499. The cubic root of 30073792 is about 310.9778074410.

The spelling of 30073792 in words is "thirty million, seventy-three thousand, seven hundred ninety-two".