671079552 has 256 divisors, whose sum is σ = 2132403840. Its totient is φ = 185856000.

The previous prime is 671079551. The next prime is 671079553. The reversal of 671079552 is 255970176.

It is an interprime number because it is at equal distance from previous prime (671079551) and next prime (671079553).

It is a super-2 number, since 2×671079552² = 900695530225041408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671079551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6644302 + ... + 6644402.

Almost surely, 2^671079552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 671079552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1066201920).

671079552 is an abundant number, since it is smaller than the sum of its proper divisors (1461324288).

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

671079552 is a wasteful number, since it uses less digits than its factorization.

671079552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 132300, while the sum is 42.

The square root of 671079552 is about 25905.2031839165. The cubic root of 671079552 is about 875.5037325878.

The spelling of 671079552 in words is "six hundred seventy-one million, seventy-nine thousand, five hundred fifty-two".