947579973 has 8 divisors (see below), whose sum is σ = 1264080000. Its totient is φ = 631399968.

The previous prime is 947579939. The next prime is 947579977. The reversal of 947579973 is 379975749.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 947579973 - 2¹⁰ = 947578949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947579977) 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, 73008 + ... + 85001.

It is an arithmetic number, because the mean of its divisors is an integer number (158010000).

Almost surely, 2^947579973 is an apocalyptic number.

It is an amenable number.

947579973 is a deficient number, since it is larger than the sum of its proper divisors (316500027).

947579973 is a wasteful number, since it uses less digits than its factorization.

947579973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160011.

The product of its digits is 15002820, while the sum is 60.

The square root of 947579973 is about 30782.7869595981. The cubic root of 947579973 is about 982.2121252570.

The spelling of 947579973 in words is "nine hundred forty-seven million, five hundred seventy-nine thousand, nine hundred seventy-three".