34899749 has 2 divisors, whose sum is σ = 34899750. Its totient is φ = 34899748.

The previous prime is 34899737. The next prime is 34899773. The reversal of 34899749 is 94799843.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33849124 + 1050625 = 5818^2 + 1025^2 .

It is a cyclic number.

It is not a de Polignac number, because 34899749 - 2²⁰ = 33851173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34899749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34899779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17449874 + 17449875.

It is an arithmetic number, because the mean of its divisors is an integer number (17449875).

Almost surely, 2^34899749 is an apocalyptic number.

It is an amenable number.

34899749 is a deficient number, since it is larger than the sum of its proper divisors (1).

34899749 is an equidigital number, since it uses as much as digits as its factorization.

34899749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 53.

The square root of 34899749 is about 5907.6009513169. The cubic root of 34899749 is about 326.7940202914.

The spelling of 34899749 in words is "thirty-four million, eight hundred ninety-nine thousand, seven hundred forty-nine".