70669407 has 8 divisors (see below), whose sum is σ = 94904320. Its totient is φ = 46773720.

The previous prime is 70669381. The next prime is 70669411. The reversal of 70669407 is 70496607.

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

It is not a de Polignac number, because 70669407 - 2²⁴ = 53892191 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 (70669007) 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, 84319 + ... + 85152.

It is an arithmetic number, because the mean of its divisors is an integer number (11863040).

Almost surely, 2^70669407 is an apocalyptic number.

70669407 is a deficient number, since it is larger than the sum of its proper divisors (24234913).

70669407 is a wasteful number, since it uses less digits than its factorization.

70669407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169613.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 70669407 is about 8406.5097989594. The cubic root of 70669407 is about 413.4380868874.

The spelling of 70669407 in words is "seventy million, six hundred sixty-nine thousand, four hundred seven".