71076690 has 80 divisors (see below), whose sum is σ = 195288192. Its totient is φ = 18540576.

The previous prime is 71076679. The next prime is 71076713. The reversal of 71076690 is 9667017.

It is a super-2 number, since 2×71076690² = 10103791722712200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 37137 + ... + 39003.

Almost surely, 2^71076690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71076690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97644096).

71076690 is an abundant number, since it is smaller than the sum of its proper divisors (124211502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71076690 is a wasteful number, since it uses less digits than its factorization.

71076690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933 (or 1924 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 71076690 is about 8430.6992592548. The cubic root of 71076690 is about 414.2308101749.

The spelling of 71076690 in words is "seventy-one million, seventy-six thousand, six hundred ninety".