947742 has 16 divisors (see below), whose sum is σ = 1907712. Its totient is φ = 313880.

The previous prime is 947741. The next prime is 947743. The reversal of 947742 is 247749.

It is an interprime number because it is at equal distance from previous prime (947741) and next prime (947743).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 947742.

It is not an unprimeable number, because it can be changed into a prime (947741) 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, 733 + ... + 1559.

It is an arithmetic number, because the mean of its divisors is an integer number (119232).

2⁹⁴⁷⁷⁴² is an apocalyptic number.

947742 is an abundant number, since it is smaller than the sum of its proper divisors (959970).

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

947742 is a wasteful number, since it uses less digits than its factorization.

947742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023.

The product of its digits is 14112, while the sum is 33.

The square root of 947742 is about 973.5204158106. The cubic root of 947742 is about 98.2268104987.

The spelling of 947742 in words is "nine hundred forty-seven thousand, seven hundred forty-two".