70487000 has 32 divisors (see below), whose sum is σ = 164941920. Its totient is φ = 28194400.

The previous prime is 70486993. The next prime is 70487009. The reversal of 70487000 is 78407.

70487000 = T₄₁₆ + T₄₁₇ + ... + T₇₉₀.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70487009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34244 + ... + 36243.

It is an arithmetic number, because the mean of its divisors is an integer number (5154435).

Almost surely, 2^70487000 is an apocalyptic number.

It is an amenable number.

70487000 is an abundant number, since it is smaller than the sum of its proper divisors (94454920).

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

70487000 is a wasteful number, since it uses less digits than its factorization.

70487000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70508 (or 70494 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 70487000 is about 8395.6536374484. The cubic root of 70487000 is about 413.0820677744.

The spelling of 70487000 in words is "seventy million, four hundred eighty-seven thousand".