70378101 has 6 divisors (see below), whose sum is σ = 101657270. Its totient is φ = 46918728.

The previous prime is 70378093. The next prime is 70378103. The reversal of 70378101 is 10187307.

It can be written as a sum of positive squares in only one way, i.e., 60606225 + 9771876 = 7785^2 + 3126^2 .

It is not a de Polignac number, because 70378101 - 2³ = 70378093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70378103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3909886 + ... + 3909903.

Almost surely, 2^70378101 is an apocalyptic number.

It is an amenable number.

70378101 is a deficient number, since it is larger than the sum of its proper divisors (31279169).

70378101 is a wasteful number, since it uses less digits than its factorization.

70378101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7819795 (or 7819792 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The square root of 70378101 is about 8389.1656915333. The cubic root of 70378101 is about 412.8692275336.

The spelling of 70378101 in words is "seventy million, three hundred seventy-eight thousand, one hundred one".