973530642 has 16 divisors (see below), whose sum is σ = 2225212992. Its totient is φ = 278151600.

The previous prime is 973530641. The next prime is 973530661. The reversal of 973530642 is 246035379.

It is a self number, because there is not a number n which added to its sum of digits gives 973530642.

It is not an unprimeable number, because it can be changed into a prime (973530641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11589609 + ... + 11589692.

It is an arithmetic number, because the mean of its divisors is an integer number (139075812).

Almost surely, 2^973530642 is an apocalyptic number.

973530642 is an abundant number, since it is smaller than the sum of its proper divisors (1251682350).

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

973530642 is a wasteful number, since it uses less digits than its factorization.

973530642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23179313.

The product of its (nonzero) digits is 136080, while the sum is 39.

The square root of 973530642 is about 31201.4525623407. The cubic root of 973530642 is about 991.0978678688.

The spelling of 973530642 in words is "nine hundred seventy-three million, five hundred thirty thousand, six hundred forty-two".