71020614 has 16 divisors (see below), whose sum is σ = 162332928. Its totient is φ = 20291592.

The previous prime is 71020571. The next prime is 71020627. The reversal of 71020614 is 41602017.

It is a super-2 number, since 2×71020614² = 10087855225873992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 845442 + ... + 845525.

It is an arithmetic number, because the mean of its divisors is an integer number (10145808).

Almost surely, 2^71020614 is an apocalyptic number.

71020614 is an abundant number, since it is smaller than the sum of its proper divisors (91312314).

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

71020614 is a wasteful number, since it uses less digits than its factorization.

71020614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690979.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 71020614 is about 8427.3729002578. The cubic root of 71020614 is about 414.1218456265.

The spelling of 71020614 in words is "seventy-one million, twenty thousand, six hundred fourteen".