34378471 has 4 divisors (see below), whose sum is σ = 36400752. Its totient is φ = 32356192.

The previous prime is 34378423. The next prime is 34378507. The reversal of 34378471 is 17487343.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34378471 - 2⁷ = 34378343 is a prime.

It is a super-3 number, since 3×34378471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34378471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34378171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1011115 + ... + 1011148.

It is an arithmetic number, because the mean of its divisors is an integer number (9100188).

Almost surely, 2^34378471 is an apocalyptic number.

34378471 is a deficient number, since it is larger than the sum of its proper divisors (2022281).

34378471 is a wasteful number, since it uses less digits than its factorization.

34378471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022280.

The product of its digits is 56448, while the sum is 37.

The square root of 34378471 is about 5863.3157001819. The cubic root of 34378471 is about 325.1588052304.

The spelling of 34378471 in words is "thirty-four million, three hundred seventy-eight thousand, four hundred seventy-one".