70378046644 has 12 divisors (see below), whose sum is σ = 123165779968. Its totient is φ = 35187823800.

The previous prime is 70378046621. The next prime is 70378046657. The reversal of 70378046644 is 44664087307.

It is a happy number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160692 + ... + 408139.

Almost surely, 2^70378046644 is an apocalyptic number.

It is an amenable number.

70378046644 is a deficient number, since it is larger than the sum of its proper divisors (52787733324).

70378046644 is a wasteful number, since it uses less digits than its factorization.

70378046644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599766 (or 599764 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 49.

The spelling of 70378046644 in words is "seventy billion, three hundred seventy-eight million, forty-six thousand, six hundred forty-four".