197426972 has 24 divisors (see below), whose sum is σ = 365350272. Its totient is φ = 93196800.

The previous prime is 197426969. The next prime is 197426981. The reversal of 197426972 is 279624791.

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, 14333 + ... + 24500.

It is an arithmetic number, because the mean of its divisors is an integer number (15222928).

Almost surely, 2^197426972 is an apocalyptic number.

It is an amenable number.

197426972 is a deficient number, since it is larger than the sum of its proper divisors (167923300).

197426972 is a wasteful number, since it uses less digits than its factorization.

197426972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38909 (or 38907 counting only the distinct ones).

The product of its digits is 381024, while the sum is 47.

The square root of 197426972 is about 14050.8708626903. The cubic root of 197426972 is about 582.2848556167.

The spelling of 197426972 in words is "one hundred ninety-seven million, four hundred twenty-six thousand, nine hundred seventy-two".