69423890 has 16 divisors (see below), whose sum is σ = 130396608. Its totient is φ = 26562096.

The previous prime is 69423889. The next prime is 69423961. The reversal of 69423890 is 9832496.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150692 + ... + 151151.

It is an arithmetic number, because the mean of its divisors is an integer number (8149788).

Almost surely, 2^69423890 is an apocalyptic number.

69423890 is a deficient number, since it is larger than the sum of its proper divisors (60972718).

69423890 is a wasteful number, since it uses less digits than its factorization.

69423890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301873.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 69423890 is about 8332.0999753964. The cubic root of 69423890 is about 410.9947884248.

The spelling of 69423890 in words is "sixty-nine million, four hundred twenty-three thousand, eight hundred ninety".