71237434 has 8 divisors (see below), whose sum is σ = 107237268. Its totient is φ = 35491680.

The previous prime is 71237401. The next prime is 71237443. The reversal of 71237434 is 43473217.

It can be written as a sum of positive squares in 2 ways, for example, as 71149225 + 88209 = 8435^2 + 297^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 71237396 and 71237405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62817 + ... + 63940.

Almost surely, 2^71237434 is an apocalyptic number.

71237434 is a deficient number, since it is larger than the sum of its proper divisors (35999834).

71237434 is a wasteful number, since it uses less digits than its factorization.

71237434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127040.

The product of its digits is 14112, while the sum is 31.

The square root of 71237434 is about 8440.2271296453. The cubic root of 71237434 is about 414.5428439559.

The spelling of 71237434 in words is "seventy-one million, two hundred thirty-seven thousand, four hundred thirty-four".