34247740 has 12 divisors (see below), whose sum is σ = 71920296. Its totient is φ = 13699088.

The previous prime is 34247711. The next prime is 34247749. The reversal of 34247740 is 4774243.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34247749) 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, 856174 + ... + 856213.

It is an arithmetic number, because the mean of its divisors is an integer number (5993358).

Almost surely, 2^34247740 is an apocalyptic number.

It is an amenable number.

34247740 is an abundant number, since it is smaller than the sum of its proper divisors (37672556).

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

34247740 is a wasteful number, since it uses less digits than its factorization.

34247740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712396 (or 1712394 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 31.

The square root of 34247740 is about 5852.1568673439. The cubic root of 34247740 is about 324.7461212570.

The spelling of 34247740 in words is "thirty-four million, two hundred forty-seven thousand, seven hundred forty".