69421641 has 8 divisors (see below), whose sum is σ = 92811840. Its totient is φ = 46156272.

The previous prime is 69421631. The next prime is 69421669. The reversal of 69421641 is 14612496.

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

It is not a de Polignac number, because 69421641 - 2⁹ = 69421129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (69421631) 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, 29901 + ... + 32138.

It is an arithmetic number, because the mean of its divisors is an integer number (11601480).

Almost surely, 2^69421641 is an apocalyptic number.

It is an amenable number.

69421641 is a deficient number, since it is larger than the sum of its proper divisors (23390199).

69421641 is a wasteful number, since it uses less digits than its factorization.

69421641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62415.

The product of its digits is 10368, while the sum is 33.

The square root of 69421641 is about 8331.9650143289. The cubic root of 69421641 is about 410.9903502923.

The spelling of 69421641 in words is "sixty-nine million, four hundred twenty-one thousand, six hundred forty-one".