34642478 has 16 divisors (see below), whose sum is σ = 57153600. Its totient is φ = 15648096.

The previous prime is 34642463. The next prime is 34642493. The reversal of 34642478 is 87424643.

It is an interprime number because it is at equal distance from previous prime (34642463) and next prime (34642493).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12953 + ... + 15396.

It is an arithmetic number, because the mean of its divisors is an integer number (3572100).

Almost surely, 2^34642478 is an apocalyptic number.

34642478 is a deficient number, since it is larger than the sum of its proper divisors (22511122).

34642478 is a wasteful number, since it uses less digits than its factorization.

34642478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28411.

The product of its digits is 129024, while the sum is 38.

The square root of 34642478 is about 5885.7860987297. The cubic root of 34642478 is about 325.9890281979.

It can be divided in two parts, 346 and 42478, that added together give a palindrome (42824).

The spelling of 34642478 in words is "thirty-four million, six hundred forty-two thousand, four hundred seventy-eight".