30740855 has 8 divisors (see below), whose sum is σ = 37048752. Its totient is φ = 24486208.

The previous prime is 30740851. The next prime is 30740869. The reversal of 30740855 is 55804703.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 30740855 - 2² = 30740851 is a prime.

It is a super-2 number, since 2×30740855² = 1890000332262050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30740851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12029 + ... + 14358.

It is an arithmetic number, because the mean of its divisors is an integer number (4631094).

Almost surely, 2^30740855 is an apocalyptic number.

30740855 is a deficient number, since it is larger than the sum of its proper divisors (6307897).

30740855 is a wasteful number, since it uses less digits than its factorization.

30740855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26625.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 30740855 is about 5544.4436150077. The cubic root of 30740855 is about 313.2602672798.

The spelling of 30740855 in words is "thirty million, seven hundred forty thousand, eight hundred fifty-five".