70645772638140 has 288 divisors, whose sum is σ = 230977289948160. Its totient is φ = 15804089653248.

The previous prime is 70645772638109. The next prime is 70645772638187. The reversal of 70645772638140 is 4183627754607.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 482456817 + ... + 482603223.

Almost surely, 2^{70645772638140} is an apocalyptic number.

70645772638140 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70645772638140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115488644974080).

70645772638140 is an abundant number, since it is smaller than the sum of its proper divisors (160331517310020).

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

70645772638140 is a wasteful number, since it uses less digits than its factorization.

70645772638140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146941 (or 146886 counting only the distinct ones).

The product of its (nonzero) digits is 47416320, while the sum is 60.

The spelling of 70645772638140 in words is "seventy trillion, six hundred forty-five billion, seven hundred seventy-two million, six hundred thirty-eight thousand, one hundred forty".