69484890 has 64 divisors (see below), whose sum is σ = 174337920. Its totient is φ = 17706240.

The previous prime is 69484871. The next prime is 69484913. The reversal of 69484890 is 9848496.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64960 + ... + 66020.

It is an arithmetic number, because the mean of its divisors is an integer number (2724030).

Almost surely, 2^69484890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69484890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87168960).

69484890 is an abundant number, since it is smaller than the sum of its proper divisors (104853030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69484890 is a wasteful number, since it uses less digits than its factorization.

69484890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167.

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 69484890 is about 8335.7597134274. The cubic root of 69484890 is about 411.1151280889.

The spelling of 69484890 in words is "sixty-nine million, four hundred eighty-four thousand, eight hundred ninety".