672071070 has 32 divisors (see below), whose sum is σ = 1759605120. Its totient is φ = 162926240.

The previous prime is 672071051. The next prime is 672071083. The reversal of 672071070 is 70170276.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1017960 + ... + 1018619.

It is an arithmetic number, because the mean of its divisors is an integer number (54987660).

Almost surely, 2^672071070 is an apocalyptic number.

672071070 is an abundant number, since it is smaller than the sum of its proper divisors (1087534050).

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

672071070 is a wasteful number, since it uses less digits than its factorization.

672071070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036600.

The product of its (nonzero) digits is 4116, while the sum is 30.

The square root of 672071070 is about 25924.3335497752. Note that the first 3 decimals coincide. The cubic root of 672071070 is about 875.9347051059.

The spelling of 672071070 in words is "six hundred seventy-two million, seventy-one thousand, seventy".