71430350 has 24 divisors (see below), whose sum is σ = 136454808. Its totient is φ = 27799200.

The previous prime is 71430347. The next prime is 71430407. The reversal of 71430350 is 5303417.

It is a happy number.

It is a super-2 number, since 2×71430350² = 10204589802245000, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17456 + ... + 21155.

It is an arithmetic number, because the mean of its divisors is an integer number (5685617).

Almost surely, 2^71430350 is an apocalyptic number.

71430350 is a deficient number, since it is larger than the sum of its proper divisors (65024458).

71430350 is a wasteful number, since it uses less digits than its factorization.

71430350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38660 (or 38655 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 71430350 is about 8451.6477683349. The cubic root of 71430350 is about 414.9167104347.

Adding to 71430350 its reverse (5303417), we get a palindrome (76733767).

The spelling of 71430350 in words is "seventy-one million, four hundred thirty thousand, three hundred fifty".