30742361 has 16 divisors (see below), whose sum is σ = 35360640. Its totient is φ = 26490240.

The previous prime is 30742357. The next prime is 30742367. The reversal of 30742361 is 16324703.

It is a cyclic number.

It is not a de Polignac number, because 30742361 - 2² = 30742357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30742361.

It is not an unprimeable number, because it can be changed into a prime (30742367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16661 + ... + 18413.

It is an arithmetic number, because the mean of its divisors is an integer number (2210040).

Almost surely, 2^30742361 is an apocalyptic number.

It is an amenable number.

30742361 is a deficient number, since it is larger than the sum of its proper divisors (4618279).

30742361 is a wasteful number, since it uses less digits than its factorization.

30742361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 30742361 is about 5544.5794249880. The cubic root of 30742361 is about 313.2653827551.

The spelling of 30742361 in words is "thirty million, seven hundred forty-two thousand, three hundred sixty-one".