8354742 has 32 divisors (see below), whose sum is σ = 18420480. Its totient is φ = 2505120.

The previous prime is 8354729. The next prime is 8354789. The reversal of 8354742 is 2474538.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6184 + ... + 7412.

It is an arithmetic number, because the mean of its divisors is an integer number (575640).

Almost surely, 2^8354742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8354742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9210240).

8354742 is an abundant number, since it is smaller than the sum of its proper divisors (10065738).

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

8354742 is a wasteful number, since it uses less digits than its factorization.

8354742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348.

The product of its digits is 26880, while the sum is 33.

The square root of 8354742 is about 2890.4570572835. The cubic root of 8354742 is about 202.9135338358.

The spelling of 8354742 in words is "eight million, three hundred fifty-four thousand, seven hundred forty-two".