71075964 has 24 divisors (see below), whose sum is σ = 170327248. Its totient is φ = 23051520.

The previous prime is 71075959. The next prime is 71075969. The reversal of 71075964 is 46957017.

It is an interprime number because it is at equal distance from previous prime (71075959) and next prime (71075969).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71075969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79597 + ... + 80484.

Almost surely, 2^71075964 is an apocalyptic number.

71075964 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

71075964 is an abundant number, since it is smaller than the sum of its proper divisors (99251284).

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

71075964 is a wasteful number, since it uses less digits than its factorization.

71075964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160125 (or 160123 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 71075964 is about 8430.6562022182. The cubic root of 71075964 is about 414.2293998082.

The spelling of 71075964 in words is "seventy-one million, seventy-five thousand, nine hundred sixty-four".