71470250 has 32 divisors (see below), whose sum is σ = 134424576. Its totient is φ = 28453200.

The previous prime is 71470249. The next prime is 71470291. The reversal of 71470250 is 5207417.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65207 + ... + 66293.

It is an arithmetic number, because the mean of its divisors is an integer number (4200768).

Almost surely, 2^71470250 is an apocalyptic number.

71470250 is a deficient number, since it is larger than the sum of its proper divisors (62954326).

71470250 is a wasteful number, since it uses less digits than its factorization.

71470250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367 (or 1357 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 71470250 is about 8454.0079252388. The cubic root of 71470250 is about 414.9939516223.

Adding to 71470250 its reverse (5207417), we get a palindrome (76677667).

The spelling of 71470250 in words is "seventy-one million, four hundred seventy thousand, two hundred fifty".