30740817 has 4 divisors (see below), whose sum is σ = 40987760. Its totient is φ = 20493876.

The previous prime is 30740813. The next prime is 30740819. The reversal of 30740817 is 71804703.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 30740817 - 2² = 30740813 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30740813) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5123467 + ... + 5123472.

It is an arithmetic number, because the mean of its divisors is an integer number (10246940).

Almost surely, 2^30740817 is an apocalyptic number.

It is an amenable number.

30740817 is a deficient number, since it is larger than the sum of its proper divisors (10246943).

30740817 is a wasteful number, since it uses less digits than its factorization.

30740817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10246942.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 30740817 is about 5544.4401881525. The cubic root of 30740817 is about 313.2601382019.

The spelling of 30740817 in words is "thirty million, seven hundred forty thousand, eight hundred seventeen".