70387515000 has 960 divisors, whose sum is σ = 279210624000. Its totient is φ = 16394400000.

The previous prime is 70387514999. The next prime is 70387515047. The reversal of 70387515000 is 51578307.

70387515000 is a `hidden beast` number, since 70 + 3 + 87 + 5 + 1 + 500 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 506384931 + ... + 506385069.

It is an arithmetic number, because the mean of its divisors is an integer number (290844400).

Almost surely, 2^70387515000 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 70387515000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139605312000).

70387515000 is an abundant number, since it is smaller than the sum of its proper divisors (208823109000).

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

70387515000 is a wasteful number, since it uses less digits than its factorization.

70387515000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The spelling of 70387515000 in words is "seventy billion, three hundred eighty-seven million, five hundred fifteen thousand".