70457089 has 8 divisors (see below), whose sum is σ = 72167040. Its totient is φ = 68756016.

The previous prime is 70457083. The next prime is 70457131. The reversal of 70457089 is 98075407.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70457089 - 2⁹ = 70456577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70457083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15522 + ... + 19540.

It is an arithmetic number, because the mean of its divisors is an integer number (9020880).

Almost surely, 2^70457089 is an apocalyptic number.

It is an amenable number.

70457089 is a deficient number, since it is larger than the sum of its proper divisors (1709951).

70457089 is a wasteful number, since it uses less digits than its factorization.

70457089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4439.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 70457089 is about 8393.8721100574. The cubic root of 70457089 is about 413.0236293586.

The spelling of 70457089 in words is "seventy million, four hundred fifty-seven thousand, eighty-nine".