197007942 has 16 divisors (see below), whose sum is σ = 394228800. Its totient is φ = 65633832.

The previous prime is 197007919. The next prime is 197007953. The reversal of 197007942 is 249700791.

It is a super-2 number, since 2×197007942² = 77624258422150728, which contains 22 as substring.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 197007942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4773 + ... + 20415.

It is an arithmetic number, because the mean of its divisors is an integer number (24639300).

Almost surely, 2^197007942 is an apocalyptic number.

197007942 is an abundant number, since it is smaller than the sum of its proper divisors (197220858).

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

197007942 is a wasteful number, since it uses less digits than its factorization.

197007942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17747.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 197007942 is about 14035.9517668023. The cubic root of 197007942 is about 581.8726058834.

The spelling of 197007942 in words is "one hundred ninety-seven million, seven thousand, nine hundred forty-two".