71070656 has 14 divisors (see below), whose sum is σ = 141030960. Its totient is φ = 35535296.

The previous prime is 71070641. The next prime is 71070679. The reversal of 71070656 is 65607017.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555176 + ... + 555303.

It is an arithmetic number, because the mean of its divisors is an integer number (10073640).

Almost surely, 2^71070656 is an apocalyptic number.

It is an amenable number.

71070656 is a deficient number, since it is larger than the sum of its proper divisors (69960304).

71070656 is a wasteful number, since it uses less digits than its factorization.

71070656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110491 (or 1110481 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 71070656 is about 8430.3413928500. The cubic root of 71070656 is about 414.2190879097.

The spelling of 71070656 in words is "seventy-one million, seventy thousand, six hundred fifty-six".