690192792 has 128 divisors (see below), whose sum is σ = 2051179200. Its totient is φ = 214272000.

The previous prime is 690192739. The next prime is 690192793. The reversal of 690192792 is 297291096.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690192793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 369942 + ... + 371802.

Almost surely, 2^690192792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 690192792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1025589600).

690192792 is an abundant number, since it is smaller than the sum of its proper divisors (1360986408).

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

690192792 is a wasteful number, since it uses less digits than its factorization.

690192792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994 (or 1984 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 690192792 is about 26271.5205498273. The cubic root of 690192792 is about 883.7378849286.

The spelling of 690192792 in words is "six hundred ninety million, one hundred ninety-two thousand, seven hundred ninety-two".