42198471 has 72 divisors (see below), whose sum is σ = 78073632. Its totient is φ = 21427200.

The previous prime is 42198469. The next prime is 42198493. The reversal of 42198471 is 17489124.

It is not a de Polignac number, because 42198471 - 2¹ = 42198469 is a prime.

It is a super-3 number, since 3×42198471³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42198421) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1029211 + ... + 1029251.

It is an arithmetic number, because the mean of its divisors is an integer number (1084356).

Almost surely, 2^42198471 is an apocalyptic number.

42198471 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

42198471 is a deficient number, since it is larger than the sum of its proper divisors (35875161).

42198471 is a wasteful number, since it uses less digits than its factorization.

42198471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 99 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 42198471 is about 6496.0350214573. The cubic root of 42198471 is about 348.1493364217.

The spelling of 42198471 in words is "forty-two million, one hundred ninety-eight thousand, four hundred seventy-one".