70326457 has 4 divisors (see below), whose sum is σ = 71962000. Its totient is φ = 68690916.

The previous prime is 70326437. The next prime is 70326469. The reversal of 70326457 is 75462307.

It is a happy number.

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 70326457 - 2⁷ = 70326329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70326427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817707 + ... + 817792.

It is an arithmetic number, because the mean of its divisors is an integer number (17990500).

Almost surely, 2^70326457 is an apocalyptic number.

It is an amenable number.

70326457 is a deficient number, since it is larger than the sum of its proper divisors (1635543).

70326457 is a wasteful number, since it uses less digits than its factorization.

70326457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635542.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 70326457 is about 8386.0871090157. The cubic root of 70326457 is about 412.7682139339.

The spelling of 70326457 in words is "seventy million, three hundred twenty-six thousand, four hundred fifty-seven".