34631478 has 24 divisors (see below), whose sum is σ = 85754448. Its totient is φ = 9894672.

The previous prime is 34631473. The next prime is 34631479. The reversal of 34631478 is 87413643.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34631473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137301 + ... + 137552.

It is an arithmetic number, because the mean of its divisors is an integer number (3573102).

Almost surely, 2^34631478 is an apocalyptic number.

34631478 is an abundant number, since it is smaller than the sum of its proper divisors (51122970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34631478 is a wasteful number, since it uses less digits than its factorization.

34631478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274868 (or 274865 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 34631478 is about 5884.8515699209. The cubic root of 34631478 is about 325.9545208615.

The spelling of 34631478 in words is "thirty-four million, six hundred thirty-one thousand, four hundred seventy-eight".