197394072 has 32 divisors (see below), whose sum is σ = 522514800. Its totient is φ = 61927424.

The previous prime is 197394023. The next prime is 197394077. The reversal of 197394072 is 270493791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197394077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241497 + ... + 242312.

Almost surely, 2^197394072 is an apocalyptic number.

197394072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

197394072 is an abundant number, since it is smaller than the sum of its proper divisors (325120728).

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

197394072 is a wasteful number, since it uses less digits than its factorization.

197394072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483835 (or 483831 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 197394072 is about 14049.7000679730. The cubic root of 197394072 is about 582.2525090806.

The spelling of 197394072 in words is "one hundred ninety-seven million, three hundred ninety-four thousand, seventy-two".