71407150 has 12 divisors (see below), whose sum is σ = 132817392. Its totient is φ = 28562840.

The previous prime is 71407139. The next prime is 71407153. The reversal of 71407150 is 5170417.

It is a super-2 number, since 2×71407150² = 10197962142245000, which contains 22 as substring.

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 (71407153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 714022 + ... + 714121.

It is an arithmetic number, because the mean of its divisors is an integer number (11068116).

Almost surely, 2^71407150 is an apocalyptic number.

71407150 is a deficient number, since it is larger than the sum of its proper divisors (61410242).

71407150 is a wasteful number, since it uses less digits than its factorization.

71407150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428155 (or 1428150 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 71407150 is about 8450.2751434495. The cubic root of 71407150 is about 414.8717850398.

Adding to 71407150 its reverse (5170417), we get a palindrome (76577567).

The spelling of 71407150 in words is "seventy-one million, four hundred seven thousand, one hundred fifty".