34780487 has 16 divisors (see below), whose sum is σ = 42262272. Its totient is φ = 27941760.

The previous prime is 34780463. The next prime is 34780511. The reversal of 34780487 is 78408743.

It is an interprime number because it is at equal distance from previous prime (34780463) and next prime (34780511).

It is not a de Polignac number, because 34780487 - 2⁸ = 34780231 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34780687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38948 + ... + 39830.

It is an arithmetic number, because the mean of its divisors is an integer number (2641392).

Almost surely, 2^34780487 is an apocalyptic number.

34780487 is a deficient number, since it is larger than the sum of its proper divisors (7481785).

34780487 is a wasteful number, since it uses less digits than its factorization.

34780487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238.

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 34780487 is about 5897.4983679523. The cubic root of 34780487 is about 326.4213472388.

The spelling of 34780487 in words is "thirty-four million, seven hundred eighty thousand, four hundred eighty-seven".