70395457 has 4 divisors (see below), whose sum is σ = 76795056. Its totient is φ = 63995860.

The previous prime is 70395443. The next prime is 70395463. The reversal of 70395457 is 75459307.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70395457 - 2⁷ = 70395329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70395467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3199783 + ... + 3199804.

It is an arithmetic number, because the mean of its divisors is an integer number (19198764).

Almost surely, 2^70395457 is an apocalyptic number.

It is an amenable number.

70395457 is a deficient number, since it is larger than the sum of its proper divisors (6399599).

70395457 is a wasteful number, since it uses less digits than its factorization.

70395457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6399598.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 70395457 is about 8390.2000572096. The cubic root of 70395457 is about 412.9031640813.

The spelling of 70395457 in words is "seventy million, three hundred ninety-five thousand, four hundred fifty-seven".