34724478 has 16 divisors (see below), whose sum is σ = 71064576. Its totient is φ = 11305560.

The previous prime is 34724471. The next prime is 34724483. The reversal of 34724478 is 87442743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34724471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67038 + ... + 67553.

It is an arithmetic number, because the mean of its divisors is an integer number (4441536).

Almost surely, 2^34724478 is an apocalyptic number.

34724478 is an abundant number, since it is smaller than the sum of its proper divisors (36340098).

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

34724478 is a wasteful number, since it uses less digits than its factorization.

34724478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134639.

The product of its digits is 150528, while the sum is 39.

The square root of 34724478 is about 5892.7479158708. The cubic root of 34724478 is about 326.2460348016.

The spelling of 34724478 in words is "thirty-four million, seven hundred twenty-four thousand, four hundred seventy-eight".