43494707 has 2 divisors, whose sum is σ = 43494708. Its totient is φ = 43494706.

The previous prime is 43494697. The next prime is 43494709. The reversal of 43494707 is 70749434.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43494707 is a prime.

Together with 43494709, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (43494709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21747353 + 21747354.

It is an arithmetic number, because the mean of its divisors is an integer number (21747354).

Almost surely, 2^43494707 is an apocalyptic number.

43494707 is a deficient number, since it is larger than the sum of its proper divisors (1).

43494707 is an equidigital number, since it uses as much as digits as its factorization.

43494707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 43494707 is about 6595.0517056351. The cubic root of 43494707 is about 351.6782177898.

It can be divided in two parts, 4 and 3494707, that multiplied together give a triangular number (13978828 = T₅₂₈₇).

The spelling of 43494707 in words is "forty-three million, four hundred ninety-four thousand, seven hundred seven".