70378575 has 24 divisors (see below), whose sum is σ = 117440400. Its totient is φ = 37186560.

The previous prime is 70378559. The next prime is 70378579. The reversal of 70378575 is 57587307.

It is not a de Polignac number, because 70378575 - 2⁴ = 70378559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70378579) 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 23 ways as a sum of consecutive naturals, for example, 3871 + ... + 12479.

It is an arithmetic number, because the mean of its divisors is an integer number (4893350).

Almost surely, 2^70378575 is an apocalyptic number.

70378575 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

70378575 is a deficient number, since it is larger than the sum of its proper divisors (47061825).

70378575 is a wasteful number, since it uses less digits than its factorization.

70378575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8731 (or 8726 counting only the distinct ones).

The product of its (nonzero) digits is 205800, while the sum is 42.

The square root of 70378575 is about 8389.1939422092. The cubic root of 70378575 is about 412.8701544298.

The spelling of 70378575 in words is "seventy million, three hundred seventy-eight thousand, five hundred seventy-five".