197619754072 has 64 divisors (see below), whose sum is σ = 444750415200. Its totient is φ = 81325762560.

The previous prime is 197619754069. The next prime is 197619754117. The reversal of 197619754072 is 270457916791.

It is a happy number.

It is a super-4 number, since 4×197619754072⁴ (a number of 46 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 197619753998 and 197619754016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2907879 + ... + 2975062.

Almost surely, 2^197619754072 is an apocalyptic number.

It is an amenable number.

197619754072 is an abundant number, since it is smaller than the sum of its proper divisors (247130661128).

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

197619754072 is a wasteful number, since it uses less digits than its factorization.

197619754072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882996 (or 5882992 counting only the distinct ones).

The product of its (nonzero) digits is 6667920, while the sum is 58.

The spelling of 197619754072 in words is "one hundred ninety-seven billion, six hundred nineteen million, seven hundred fifty-four thousand, seventy-two".