71738998 has 24 divisors (see below), whose sum is σ = 112036608. Its totient is φ = 34437312.

The previous prime is 71738983. The next prime is 71739013. The reversal of 71738998 is 89983717.

It is an interprime number because it is at equal distance from previous prime (71738983) and next prime (71739013).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 564811 + ... + 564937.

It is an arithmetic number, because the mean of its divisors is an integer number (4668192).

Almost surely, 2^71738998 is an apocalyptic number.

71738998 is a deficient number, since it is larger than the sum of its proper divisors (40297610).

71738998 is a wasteful number, since it uses less digits than its factorization.

71738998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 255 counting only the distinct ones).

The product of its digits is 762048, while the sum is 52.

The square root of 71738998 is about 8469.8877206253. The cubic root of 71738998 is about 415.5134651855.

The spelling of 71738998 in words is "seventy-one million, seven hundred thirty-eight thousand, nine hundred ninety-eight".