71120464 has 10 divisors (see below), whose sum is σ = 137795930. Its totient is φ = 35560224.

The previous prime is 71120453. The next prime is 71120471. The reversal of 71120464 is 46402117.

It can be written as a sum of positive squares in only one way, i.e., 55056400 + 16064064 = 7420^2 + 4008^2 .

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, 2222499 + ... + 2222530.

It is an arithmetic number, because the mean of its divisors is an integer number (13779593).

Almost surely, 2^71120464 is an apocalyptic number.

It is an amenable number.

71120464 is a deficient number, since it is larger than the sum of its proper divisors (66675466).

71120464 is a wasteful number, since it uses less digits than its factorization.

71120464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4445037 (or 4445031 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 71120464 is about 8433.2949669747. The cubic root of 71120464 is about 414.3158301645.

The spelling of 71120464 in words is "seventy-one million, one hundred twenty thousand, four hundred sixty-four".