71438150 has 48 divisors (see below), whose sum is σ = 152534880. Its totient is φ = 24384000.

The previous prime is 71438149. The next prime is 71438189. The reversal of 71438150 is 5183417.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140096 + ... + 140604.

It is an arithmetic number, because the mean of its divisors is an integer number (3177810).

Almost surely, 2^71438150 is an apocalyptic number.

71438150 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

71438150 is an abundant number, since it is smaller than the sum of its proper divisors (81096730).

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

71438150 is a wasteful number, since it uses less digits than its factorization.

71438150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929 (or 924 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 71438150 is about 8452.1092042164. The cubic root of 71438150 is about 414.9318124772.

The spelling of 71438150 in words is "seventy-one million, four hundred thirty-eight thousand, one hundred fifty".