690019034 has 8 divisors (see below), whose sum is σ = 1035478080. Its totient is φ = 344859676.

The previous prime is 690019013. The next prime is 690019037. The reversal of 690019034 is 430910096.

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

It is a super-2 number, since 2×690019034² = 952252534564586312, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (690019037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69074 + ... + 78429.

It is an arithmetic number, because the mean of its divisors is an integer number (129434760).

Almost surely, 2^690019034 is an apocalyptic number.

690019034 is a deficient number, since it is larger than the sum of its proper divisors (345459046).

690019034 is a wasteful number, since it uses less digits than its factorization.

690019034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149844.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 690019034 is about 26268.2133766269. The cubic root of 690019034 is about 883.6637175282.

The spelling of 690019034 in words is "six hundred ninety million, nineteen thousand, thirty-four".