526073690 has 8 divisors (see below), whose sum is σ = 946932660. Its totient is φ = 210429472.

The previous prime is 526073683. The next prime is 526073701. The reversal of 526073690 is 96370625.

It can be written as a sum of positive squares in 2 ways, for example, as 493595089 + 32478601 = 22217^2 + 5699^2 .

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

It is a super-2 number, since 2×526073690² = 553507054620432200, which contains 22 as substring.

It is a Curzon 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, 26303675 + ... + 26303694.

Almost surely, 2^526073690 is an apocalyptic number.

526073690 is a deficient number, since it is larger than the sum of its proper divisors (420858970).

526073690 is a wasteful number, since it uses less digits than its factorization.

526073690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52607376.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 526073690 is about 22936.2963444406. The cubic root of 526073690 is about 807.2638920933.

The spelling of 526073690 in words is "five hundred twenty-six million, seventy-three thousand, six hundred ninety".