71029150 has 12 divisors (see below), whose sum is σ = 132114312. Its totient is φ = 28411640.

The previous prime is 71029103. The next prime is 71029151. The reversal of 71029150 is 5192017.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71029151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 710242 + ... + 710341.

It is an arithmetic number, because the mean of its divisors is an integer number (11009526).

Almost surely, 2^71029150 is an apocalyptic number.

71029150 is a deficient number, since it is larger than the sum of its proper divisors (61085162).

71029150 is a wasteful number, since it uses less digits than its factorization.

71029150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420595 (or 1420590 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 71029150 is about 8427.8793299382. The cubic root of 71029150 is about 414.1384361264.

The spelling of 71029150 in words is "seventy-one million, twenty-nine thousand, one hundred fifty".