69434390 has 8 divisors (see below), whose sum is σ = 124981920. Its totient is φ = 27773752.

The previous prime is 69434383. The next prime is 69434411. The reversal of 69434390 is 9343496.

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

It is a super-2 number, since 2×69434390² = 9642269029344200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3471710 + ... + 3471729.

It is an arithmetic number, because the mean of its divisors is an integer number (15622740).

Almost surely, 2^69434390 is an apocalyptic number.

69434390 is a deficient number, since it is larger than the sum of its proper divisors (55547530).

69434390 is a wasteful number, since it uses less digits than its factorization.

69434390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6943446.

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 69434390 is about 8332.7300448292. The cubic root of 69434390 is about 411.0155076505.

The spelling of 69434390 in words is "sixty-nine million, four hundred thirty-four thousand, three hundred ninety".