71738154 has 24 divisors (see below), whose sum is σ = 160447872. Its totient is φ = 23141160.

The previous prime is 71738131. The next prime is 71738171. The reversal of 71738154 is 45183717.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63724 + ... + 64839.

It is an arithmetic number, because the mean of its divisors is an integer number (6685328).

Almost surely, 2^71738154 is an apocalyptic number.

71738154 is an abundant number, since it is smaller than the sum of its proper divisors (88709718).

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

71738154 is a wasteful number, since it uses less digits than its factorization.

71738154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128602 (or 128599 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 71738154 is about 8469.8378969140. The cubic root of 71738154 is about 415.5118356918.

The spelling of 71738154 in words is "seventy-one million, seven hundred thirty-eight thousand, one hundred fifty-four".