197607642 has 16 divisors (see below), whose sum is σ = 400630080. Its totient is φ = 64966752.

The previous prime is 197607637. The next prime is 197607647. The reversal of 197607642 is 246706791.

197607642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (197607637) and next prime (197607647).

It is a junction number, because it is equal to n+sod(n) for n = 197607594 and 197607603.

It is not an unprimeable number, because it can be changed into a prime (197607647) 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, 225142 + ... + 226017.

It is an arithmetic number, because the mean of its divisors is an integer number (25039380).

Almost surely, 2^197607642 is an apocalyptic number.

197607642 is an abundant number, since it is smaller than the sum of its proper divisors (203022438).

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

197607642 is a wasteful number, since it uses less digits than its factorization.

197607642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451237.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 197607642 is about 14057.2985313680. The cubic root of 197607642 is about 582.4624222537.

The spelling of 197607642 in words is "one hundred ninety-seven million, six hundred seven thousand, six hundred forty-two".