30740807 has 2 divisors, whose sum is σ = 30740808.
Its totient is φ = 30740806.
The previous prime is 30740797. The next prime is 30740813. The reversal of 30740807 is 70804703.
It can be divided in two parts, 307 and 40807, that added together give a palindrome (41114).
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30740807 - 212 = 30736711 is a prime.
It is a super-2 number, since 2×307408072 = 1889994430022498, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30740807.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30740707) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15370403 + 15370404.
It is an arithmetic number, because the mean of its divisors is an integer number (15370404).
Almost surely, 230740807 is an apocalyptic number.
30740807 is a deficient number, since it is larger than the sum of its proper divisors (1).
30740807 is an equidigital number, since it uses as much as digits as its factorization.
30740807 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4704, while the sum is 29.
The square root of 30740807 is about 5544.4392863481.
The cubic root of 30740807 is about 313.2601042340.
The spelling of 30740807 in words is "thirty million, seven hundred forty thousand, eight hundred seven".