34400747 has 2 divisors, whose sum is σ = 34400748. Its totient is φ = 34400746.

The previous prime is 34400711. The next prime is 34400749. The reversal of 34400747 is 74700443.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 34400747 - 2⁶ = 34400683 is a prime.

It is a super-2 number, since 2×34400747² = 2366822788316018, which contains 22 as substring.

Together with 34400749, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (34400749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17200373 + 17200374.

It is an arithmetic number, because the mean of its divisors is an integer number (17200374).

Almost surely, 2^34400747 is an apocalyptic number.

34400747 is a deficient number, since it is larger than the sum of its proper divisors (1).

34400747 is an equidigital number, since it uses as much as digits as its factorization.

34400747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 34400747 is about 5865.2150003218. The cubic root of 34400747 is about 325.2290204304.

The spelling of 34400747 in words is "thirty-four million, four hundred thousand, seven hundred forty-seven".