71770048 has 28 divisors (see below), whose sum is σ = 162765232. Its totient is φ = 30758400.

The previous prime is 71770033. The next prime is 71770063. The reversal of 71770048 is 84007717.

It is an interprime number because it is at equal distance from previous prime (71770033) and next prime (71770063).

It is a tau number, because it is divible by the number of its divisors (28).

It is a junction number, because it is equal to n+sod(n) for n = 71769995 and 71770022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79653 + ... + 80548.

It is an arithmetic number, because the mean of its divisors is an integer number (5813044).

Almost surely, 2^71770048 is an apocalyptic number.

It is an amenable number.

71770048 is an abundant number, since it is smaller than the sum of its proper divisors (90995184).

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

71770048 is a wasteful number, since it uses less digits than its factorization.

71770048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160220 (or 160210 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 34.

The square root of 71770048 is about 8471.7204864183. The cubic root of 71770048 is about 415.5734039103.

The spelling of 71770048 in words is "seventy-one million, seven hundred seventy thousand, forty-eight".