70387269630 has 64 divisors (see below), whose sum is σ = 172753171200. Its totient is φ = 18348638720.

The previous prime is 70387269613. The next prime is 70387269649. The reversal of 70387269630 is 3696278307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205750 + ... + 427910.

It is an arithmetic number, because the mean of its divisors is an integer number (2699268300).

Almost surely, 2^70387269630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70387269630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86376585600).

70387269630 is an abundant number, since it is smaller than the sum of its proper divisors (102365901570).

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

70387269630 is a wasteful number, since it uses less digits than its factorization.

70387269630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222409.

The product of its (nonzero) digits is 2286144, while the sum is 51.

The spelling of 70387269630 in words is "seventy billion, three hundred eighty-seven million, two hundred sixty-nine thousand, six hundred thirty".