70671550 has 96 divisors (see below), whose sum is σ = 149454720. Its totient is φ = 24729600.

The previous prime is 70671547. The next prime is 70671553. The reversal of 70671550 is 5517607.

It is an interprime number because it is at equal distance from previous prime (70671547) and next prime (70671553).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70671553) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1158520 + ... + 1158580.

It is an arithmetic number, because the mean of its divisors is an integer number (1556820).

Almost surely, 2^70671550 is an apocalyptic number.

70671550 is an abundant number, since it is smaller than the sum of its proper divisors (78783170).

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

70671550 is a wasteful number, since it uses less digits than its factorization.

70671550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 70671550 is about 8406.6372587379. The cubic root of 70671550 is about 413.4422659181.

The spelling of 70671550 in words is "seventy million, six hundred seventy-one thousand, five hundred fifty".