70887960 has 448 divisors, whose sum is σ = 297470880. Its totient is φ = 14929920.

The previous prime is 70887941. The next prime is 70887983. The reversal of 70887960 is 6978807.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 4169872 + ... + 4169888.

Almost surely, 2^70887960 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 70887960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148735440).

70887960 is an abundant number, since it is smaller than the sum of its proper divisors (226582920).

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

70887960 is a wasteful number, since it uses less digits than its factorization.

70887960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 70887960 is about 8419.4987974344. The cubic root of 70887960 is about 413.8638493694.

The spelling of 70887960 in words is "seventy million, eight hundred eighty-seven thousand, nine hundred sixty".