671548950 has 36 divisors (see below), whose sum is σ = 1804229388. Its totient is φ = 179079600.

The previous prime is 671548937. The next prime is 671548957. The reversal of 671548950 is 59845176.

It is a super-2 number, since 2×671548950² = 901955984492205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 671548896 and 671548905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671548957) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 745716 + ... + 746615.

It is an arithmetic number, because the mean of its divisors is an integer number (50117483).

Almost surely, 2^671548950 is an apocalyptic number.

671548950 is an abundant number, since it is smaller than the sum of its proper divisors (1132680438).

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

671548950 is a wasteful number, since it uses less digits than its factorization.

671548950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492349 (or 1492341 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 671548950 is about 25914.2615175505. The cubic root of 671548950 is about 875.7078136685.

The spelling of 671548950 in words is "six hundred seventy-one million, five hundred forty-eight thousand, nine hundred fifty".